The ellipsoid expands uniformly about the x-axis and shrinks uniformly about the y and z axes.
Consider a homogeneous deformation. Show that a particle on a spherical surface of radius "a" in the final configuration was initially on the surface of an ellipsoid.
In addition, show that this ellipsoid expands uniformly about the x-axis and shrinks uniformly about the y and z axes.
To demonstrate that a particle on the spherical surface of radius "a" in the final configuration was initially on the surface of an ellipsoid, consider a homogeneous deformation.
In addition, demonstrate that this ellipsoid expands uniformly about the x-axis and shrinks uniformly about the y and z axes.
The ellipsoid is defined by the following equation: (x^2) / (a^2) + (y^2) / (b^2) + (z^2) / (c^2) = 1.
Therefore, the ellipsoid expands uniformly about the x-axis and shrinks uniformly about the y and z axes.
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12 A car travels in a straight line at speed v along a horizontal road. The car moves
against a resistive force F given by the equation
F = 400+kv²
where F is in newtons, v in ms-1 and k is a constant.
At speed v = 15ms-1, the resistive force F is 1100 N.
a
Calculate, for this car:
i the power necessary to maintain the speed of 15ms-¹,
ii the total resistive force at a speed of 30 ms-¹,
iii the power required to maintain the speed of 30ms-¹.
Answer:
i) Power = Force * Velocity = 1100 * 15 = 16500 W = 16.5 kW(ii) Find the value of k first: F = 400 + k(15^2) k = 28/9 F = 400 +(28/9)(30^2) = 320
Explanation:
A 615 watt refrigerator runs 24 hours/day. How much energy is used per month (30 days)?
Answer:
14.76
Explanation:
If you put it in the calculator it would show
the filtration slits between the permit the ready passage of filtered material into the capsule space.
The filtration slits between the cells of the glomerular capillaries allow the passage of filtered material into the capsule space, facilitating the formation of urine. This process is essential for maintaining proper kidney function and eliminating waste products from the body.
The filtration slits between the cells of the glomerular capillaries permit the ready passage of filtered material into the capsule space. This process is known as filtration and is a key step in the formation of urine.
Here's a step-by-step explanation of how this process occurs:
1. Filtration begins in the glomerulus, which is a network of tiny blood vessels located in the kidney.
2. Blood enters the glomerulus through the afferent arteriole and exits through the efferent arteriole.
3. The high pressure in the glomerulus forces small molecules such as water, ions, glucose, and waste products to pass through the filtration slits.
4. The filtration slits are located between the cells of the glomerular capillaries and are formed by specialized cells called podocytes.
5. These podocytes have finger-like extensions called foot processes that wrap around the capillaries and leave narrow gaps between them.
6. The size of these filtration slits is such that they allow small molecules to pass through, while larger molecules like proteins are prevented from passing into the capsule space.
7. The filtered material, known as the filtrate, then enters the capsule space of the nephron.
8. From there, it continues through the renal tubules, where further reabsorption and secretion occur to produce urine.
In conclusion, the filtration slits between the cells of the glomerular capillaries allow the passage of filtered material into the capsule space, facilitating the formation of urine. This process is essential for maintaining proper kidney function and eliminating waste products from the body.
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The human hearing range is approximately 20 Hz to 20,000 Hz. What are the wavelengths of sound corresponding to 20 Hz
The speed of sound in air at standard temperature and pressure (STP) is roughly 344 meters per second (1,129 feet per second), or roughly 1,236 kilometers per hour.
Sound is a pressure wave that travels through a medium and propagates through that medium as a wave. When a sound wave passes through a medium, it causes molecules in that medium to vibrate, which produces a pressure wave. The speed of sound in air at standard temperature and pressure (STP) is roughly 344 meters per second (1,129 feet per second), or roughly 1,236 kilometers per hour (768 miles per hour).The wavelength of a sound wave is defined as the distance between corresponding points on two adjacent waves. In other words, it is the distance from one crest (peak) of a wave to the next crest or from one trough (low point) to the next trough. The symbol λ (lambda) represents the wavelength. Wavelength is usually measured in meters. The human hearing range is approximately 20 Hz to 20,000 Hz. When 20 Hz is the frequency of the sound wave, the wavelength is found as follows:λ = v/fλ = 344/20λ = 17.2 mTherefore, the wavelength of sound corresponding to 20 Hz is 17.2 meters.
The wavelength of sound can be calculated by dividing the speed of sound by the frequency of the sound wave. The human hearing range is approximately 20 Hz to 20,000 Hz. When 20 Hz is the frequency of the sound wave, the wavelength is 17.2 meters.
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Have you ever been suddenly blinded by sunlight bouncing off a window? Then you know that, just like sound waves, the behavior of light rays can change when they meet a boundary. 1. What causes these shadows to form on the ground?
Answer:
Light waves are produced by vibrating electric charges
Explanation:
If Earth shrank to a smaller radius but kept the same mass, the gravitational force between Earth and the Moon would Choose one: A. stay the same. B. increase. C. decrease.
stay the same -Gravitational force relies only upon distance and the masses - not their sizes. A shorter Earth (of the same mass) would not exert a different force on the Moon.
What is Gravitational force?
The gravitational force exists as a force that attracts any two objects with mass. We reach the gravitational force attractive because it always attempts to pull masses together, it never makes them apart. In fact, every object, including you, lives pulling on every other object in the whole universe!
The gravitational force on Earth stands equivalent to the force the Earth exerts on you. At rest, on or around the surface of the Earth, the gravitational force equals your weight.
stay the same -Gravitational force relies only upon distance and the masses - not their sizes. A shorter Earth (of the same mass) would not exert a different force on the Moon.
Hence, Option A. staying the same is correct.
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Describe the evidence of chemical changes that occurred during the etching process in:
a. your circuit board.
b. the copper chloride etching solution.
Not a straight up answer, but moreover to help you get it: (Circuit Boards)
Aside from the tasks it performs, perhaps the most important function of a circuit board is providing a way to integrate the electronics for a device in a compact space. A PCB allows components to be correctly connected to a power source while being safely insulated. Also, circuit boards are less expensive than other options because they can be designed with digital design tools and manufactured in high volume using factory automation.
Partially straight up, helping you get the answer: (Copper Chloride)
Copper(II) chloride is the chemical compound with the chemical formula CuCl 2. This is a light brown solid, which slowly absorbs moisture to form a blue-green dihydrate.
A force of 9 N is applied to an object. The moment arm for the force is 0. 21 m. What is the torque produced by the force?
The work done on the object by the applied force is 1500 J, and the power developed is 8000 W.
The torque produced by the force can be determined by multiplying the force by the moment arm. This can be represented using the formula:Torque = Force × Moment armGiven that a force of 9 N is applied to an object with a moment arm of 0.21 m, the torque produced by the force can be calculated as follows:Torque = 9 N × 0.21 m= 1.89 N·mTherefore, the torque produced by the force is 1.89 N·m.Answer in 200 words.Torque is the tendency of a force to rotate an object around an axis or pivot. The torque produced by a force is proportional to the force applied and the moment arm.The moment arm is the shortest distance between the line of action of the force and the axis of rotation. It is the perpendicular distance from the axis of rotation to the line of action of the force. The moment arm is an important factor in determining the torque produced by a force.A torque of 1 N·m is produced when a force of 1 N is applied perpendicular to a moment arm of 1 m. This is known as the moment of force or the turning effect of a force.The torque produced by a force is measured in newton-metres (N·m) in the SI system of units. In order to calculate the torque produced by a force, the magnitude of the force and the moment arm need to be known.The formula for calculating the torque produced by a force is:Torque = Force × Moment armWhere torque is measured in N·m, force is measured in newtons (N), and moment arm is measured in metres (m).
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describes a specific relationship; an example is Newton's law of gravitation. has certain exceptions for a prescribed range of conditions. explains why natural phenomena exist. is the same as an untested speculation.
A scientific theory is an explanation for why natural phenomena occur. It is based on a large amount of evidence and has been thoroughly tested. It is not the same as an untested speculation. Theories can describe specific relationships, such as Newton's law of gravitation, which explains the attraction between two objects based on their mass and distance from one another.
Theories are not absolute, however, and have certain exceptions for a prescribed range of conditions. For example, Newton's law of gravitation is not accurate for very small or very massive objects or for objects that are very close together. Theories are an important part of science and are essential for understanding the natural world.
They provide explanations for observed phenomena and guide further research to deepen our understanding of the universe. Theories can also be modified or replaced when new evidence emerges that challenges their validity. Overall, scientific theories are based on empirical evidence and are the most widely accepted and reliable explanations for why natural phenomena occur.
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What are quarks ?
How can they be extracted ?
Explanation:
they are subatomic particles that interact by means of the strong force. as they are strong nuclear force its so powerful, it makes it extremely difficult to separate quarks.
hope this helps
have a great day
Quarks are elementary particles of matter. And they can be extracted in neutrino - induced dilepton events
QUARKS
A quark can be described as one of the fundamental units of matter. Under particle Physics, when two or more ionized quarks come together, they will form a composite particle called hadron.
Hadrons are particles that are affected by strong force. Examples of hadron are:
ProtonsNeutronsThe quark model of hadrons helps to resolve many fundamental particle problems.
Apart from cosmic radiation, quarks can be extracted in neutrino - induced dilepton events with the use of hydrogen and deuterium exposure.
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A light beam with a 70° angle of incidence travels through a medium with an index of refraction of 1.8. The light enters a second medium and has an angle of refraction of 37°. What is the index of refraction of the second medium?
Answer:
Explanation:
For refraction , the formula is
sin i / sin r = μ₂ / μ₁
where light is travelling from medium 1 to 2 having refractive index of μ₁ and μ₂ . Angle of incidence in medium 1 is i and angle of refraction in medium 2 is r .
Here i = 70°, r = 37°
μ₁ = 1.8 ,μ₂ = ?
sin70 / sin 37 = μ₂ / 1.8
.939 / .602 = μ₂ / 1.8
1.56 = μ₂ / 1.8
μ₂ = 2.81 .
The value of refraction index for the second medium will be \(\mu_2=2.16\)
What will be the refractive index?Every material has a different refractive index. The refracted index of any material shows that the light is refracted by how much angle.
So like for water its value will be different also for glass its value will be different.
Now it is given in the question that
Angle of incidence \(i=70^o\)
Refractive index of the first medium \(\mu_1=1.8\)
Angle of refraction \(r=37^o\)
Now from snells law
\(\dfrac{Sin \ i}{Sin \ r} = \dfrac{\mu_2}{\mu_1}\)
\(\dfrac{Sin70}{Sin37} = \dfrac{\mu_2}{1.8}\)
\(\mu_2= \dfrac{Sin70\times1.8}{Sin37}\)
\(\mu_2=2.16\)
Thus the value of the refraction index for the second medium will be \(\mu_2=2.16\)
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A graph of the net force on an object is shown as a function of time over a 3 - second interval. Which of the following conclusions about the object's motion can be drawn from the graph?
a. You cant know the distance due to there is not any information about it
b. The acceleration is constant but without the mass, you can find it
c. This is the correct answer because the momentum is the area under the curve F-t
d. Without speed or distance, you cant know the energy
e. power is the relation between energy and time, not force and time
WHAT IS THE VOLUME OF A 5.71 G PLASTIC CUBE THAT HAS A DENSITY OF 1.15 G/CM3
DONT ANSWER i need to find out if it cant float or sink?!
Answer:
p>Whether an object will float or sink is dependent on its density, and on the density of the liquid it is placed in. In the case of water, an object with a density less than 1 g/cm3 will float. The closer its density is to 1 g/cm3, the more of it will sit below the water level.
An earthquake always begins:________
a) at the moho.
b) a focus.
c) the base of the earth's crust.
d) the top of the earth's mantle.
An earthquake always begins at the moho.
What is an Earthquake?The surface of the Earth shakes violently during an earthquake. Movements in the topmost layer of Earth are what are causing the shaking.
How Come Earthquakes Occur?Although the Earth appears to be a rather stable planet from the surface, it is actually very active beneath the surface. A solid crust, a heated, almost solid mantle, a liquid outer core, and a solid inner core make up the Earth's four basic layers.
Therefore option (a) An earthquake always begins at the moho.
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The Moho is the line in the earth's crust and mantle that separates them. An earthquake still starts at the moho. When two chunks of the ground abruptly slide past one another, an earthquake results.
What is an earthquake?When two chunks of the ground abruptly slide past one another, an earthquake results. The fault or fault plane is the area where they slide. Although the tectonic plates are constantly moving slowly, friction causes them to become impermeable at their borders. An earthquake occurs when the stress on the edge exceeds the friction, releasing energy in waves that flow through the earth's crust and produce the shaking we experience.The surface of the Earth shakes violently during an earthquake. The Earth's outermost layer is moving, which is what is causing the shaking. The term "earthquake" is used to represent both a sudden slide on a fault and the resulting ground shaking and transmitted seismic energy, as well as sudden changes in the earth's tension due to volcanic or magmatic activity or other causes. Sudden movement along Earth's fault lines causes earthquakes. The motion releases "elastic strain" energy that has been accumulated in the form of seismic waves, which travel through the Earth and cause the earth to tremble. Any sudden shaking of the ground brought on by seismic waves passing through the planet's rocks is referred to as an earthquake.To learn more about earthquake, refer to:
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Hess's law states that:
A. Energy cannot be created nor destroyed, it can only change form.
B. The enthalpy change when 1 mole of a substance undergoes complete combustion under standard conditions is equal to molar masses of the compounds.
C. When the enthalpy changes under standard conditions, 1 mole of a substance is formed from its elements.
D. The overall enthalpy change for a reaction is independent of the route the reaction takes.
Answer:
D. The overall enthalpy change for a reaction is independent of the route the reaction takes.
Answer: Hess's law states that the overall enthalpy change for a reaction is independent of the route the reaction takes. Option D is correct.
It is given Hess's law.
It is required to state the Hess's law.
What is Hess's law ?Thermochemical equations can be manipulated to give the data chemical reactions. We find exactly how much energy will be absorbed or released by the reaction because we may face various explosions.
There are mainly two ways to calculate ΔH of any reaction. First If the reaction has ΔH then the reverse of the reaction will have opposite ΔH and the second is if double the ΔH of the substances, double the ΔH.
Therefore Hess's law states that the overall enthalpy change for a reaction is independent of the route the reaction takes.
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The mass of a supermassive black hole thought to power a typical bright active galactic nucleus is roughlyA) 3 solar masses.B) 10 solar masses.C) 1 million solar masses.D) 1 billion solar masses.E) 1 trillion solar masses.
The mass of a supermassive black hole thought to power a typical bright active galactic nucleus is roughly D) 1 billion solar masses. These black holes play a crucial role in the activity and evolution of their host galaxies.
The correct option is d
The mass of a supermassive black hole that powers a typical bright active galactic nucleus is not a straightforward answer, but rather a long answer. Generally, these black holes are believed to range from millions to billions of solar masses, with some even reaching trillions of solar masses. This estimation is based on observations of the properties of the galaxy hosting the active nucleus, as well as the behavior and characteristics of the surrounding gas and stars.
The mass of the black hole can be inferred through various methods, such as studying the motion of stars near the black hole or analyzing the emission from the accretion disk surrounding the black hole. So, in short, the answer to the question is D) 1 billion solar masses, but the long answer includes a range of masses that may be present in different active galactic nuclei.
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determine the force in members dg, fg, and fh of the truss shown.
Unfortunately, as an AI language model, I cannot see the truss diagram you are referring to.
However, in general, to determine the force in members of a truss, one would use the method of joints or the method of sections.
The method of joints involves analyzing the forces acting at each joint of the truss and applying the equations of static equilibrium to determine the forces in each member.
This method can be time-consuming but is effective for small trusses with a limited number of joints.
The method of sections involves cutting the truss along a section and analyzing the forces acting on the cut section.
By applying the equations of static equilibrium, one can determine the forces in the members that intersect the section. This method is quicker but may not provide information on all the members of the truss.
Both methods require a good understanding of statics and equilibrium principles. It is essential to ensure that the truss is stable and that no member is under excessive stress.
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Set up the experiment as follows:
Make a small hole in the cardboard. It should be ½ inch from one edge and centered.
Pull the string or thread through the hole in the cardboard, and tie the ends together to form a loop.
Slide a large paperclip onto the string, and bend one end out slightly to act as a hook.
Place a nonbreakable object, such as a kitchen utensil, on the cardboard.
Select two nonbreakable objects with holes that can be hung on the hook.
What two objects will you select to hang on the hook?
The two objects will you select to hang on the hook are a key ring, a small metal ring, and a plastic toy with a hole,
To set up this experiment, you will need to select two nonbreakable objects with holes that can be hung on the hook. Some possible options include a key ring, a small metal ring, a plastic toy with a hole, or a small plastic container with a hole.
Here is an example of how you could set up the experiment:
1. Make a small hole in the cardboard, ½ inch from one edge and centered.
2. Pull the string or thread through the hole in the cardboard, and tie the ends together to form a loop.
3. Slide a large paperclip onto the string, and bend one end out slightly to act as a hook.
4. Place a nonbreakable object, such as a kitchen utensil, on the cardboard.
5. Select two nonbreakable objects with holes that can be hung on the hook. In this example, we will use a key ring and a small metal ring.
6. Hang the key ring on the hook, and observe how the cardboard and string behave.
7. Remove the key ring, and hang the small metal ring on the hook. Observe how the cardboard and string behave.
By comparing the behavior of the cardboard and string with the different objects, you can learn about the effects of weight and balance on the system. Remember to be careful when selecting objects to hang on the hook, as you want to avoid anything that could break or cause injury.
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How are electrical energy, thermal energy, and mechanical energy related?
Answer:
motion of molecules
Explanation:
I believe that is true
What is the frequency of a wavelength 632.8 nm?
The frequency of a wavelength 632.8 nm is \(4.74*10^{14}s^{-1}\). A waveform signal that is carried in space or down a wire has a wavelength, which is the separation between two identical places (adjacent crests) in the consecutive cycles.
A periodic wave's wavelength is its spatial period, or the length over which its shape repeats. It is a property of both travelling waves and standing waves as well as other spatial wave patterns. It is the distance between two successive corresponding locations of the same phase on the wave, such as two nearby crests, troughs, or zero crossings. The spatial frequency is the reciprocal of wavelength. The Greek letter lambda () is frequently used to represent wavelength. The term wavelength is also occasionally used to refer to modulated waves, their sinusoidal envelopes, or waves created by the interference of several sinusoids.
The frequency of the laser will be \(4.471*10^{14}s^{-1}\)
This is a straightforward plug-and-play issue where all you have to do is use the wavelength and light-speed numbers provided for this equation.
ν=c/λ, where
ν = frequency;
c = the speed of light;
λ = wavelength.
Convert the wavelength from nm to m before determining the laser's frequency.
\(632.8*10^{-9}m\)
Now you're good to go. The frequency will be equal to
\(4.74*10^{14}s^{-1}\)
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what temperature change is required to change the length of a 5.5-m steel beam by 0.0012m?
Answer:
Length of steel = 5.5 m
Increase in length = 0.0012 m
α of steel = 12 x 10-6/K
To find:
Temperature change needed ?
Calculation:
Let the required temperature change be ∆T. (in the photo)
So, temperature change of 18.1 Kelvin is required
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What is the average?
Answer:
Explanation:you knoe i know
what is the inductance of a coil if the coil produces an emf of 2.80 v when the current in it changes from -28.0 ma to 32.0 ma in 15.0 ms ?
The inductance of the coil is found to be 0.7H.
The EMF induced in the circuit is 2.80 voltage and the current in the circuit is changing from - 28.0 ma to 32 ma any time period of 15 milliseconds.
The relation between the inductance of the coil L, the EMF of the coil E, the change in current ∆I and change in the time period ∆t is given as,
E = L∆I/∆t
Putting values to find the inductance of the coil,
2.8 = L32-(-28)/15
L = 2.8 × 15/60
L = 0.7H
So, the inductance in the coil is 0.7H.
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you hold a piece of wood in one hand and a piece of iron in the other. both pieces have the same volume, and you hold them fully under water at the same depth. at the moment you let go of them, which one experiences the greater buoyancy force? you hold a piece of wood in one hand and a piece of iron in the other. both pieces have the same volume, and you hold them fully under water at the same depth. at the moment you let go of them, which one experiences the greater buoyancy force? the piece of wood. they experience the same buoyancy force. the piece of iron. more information is needed.
Answer:
same
Explanation:
They both have the same volume....so they both displace an equal amount of water and thus experience the same buoyancy force
How to tells when lines are parallel?
The area of a square metal is 600mm square calculate its new area when its temperature is raised by 15k
The new area of the square metal when its temperature is raised by 15K is approximately 600.18 mm².
Assuming the coefficient of linear expansion for the metal is constant, the change in the area of the metal can be calculated using the formula:
ΔA = A₀αΔT
where:
ΔA is the change in area
A₀ is the initial area
α is the coefficient of linear expansion
ΔT is the change in temperature
Since the metal is in the form of a square, its initial area is 600mm². The coefficient of linear expansion depends on the type of metal, and is usually given in units of K⁻¹. Let's assume it is 20 × 10⁻⁶ K⁻¹ for this metal. The change in temperature is 15K.
Substituting the values into the formula, we get:
ΔA = (600 mm²)(20 × 10⁻⁶ K⁻¹)(15 K) = 0.18 mm²
Therefore, the new area of the square metal when its temperature is raised by 15K is approximately 600.18 mm².
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Tyler and his family drove from Atlanta to Baltimore. They traveled a total of 678 miles over 2 days.
What is the reference point in this scenario?
Atlanta
Baltimore
678 miles
2 days
Answer:
atlanta
Explanation:
just took the test
The reference point in this scenario is Atlanta.
What is reference point of the journey?The can be described as the starting point of the entire journey.
From the given statements the family started the journey from Atlanta and then traveled to Baltimore.
Atlanta is the start point (reference point) while Baltimore is the destination (finishing point).
Thus, the reference point in this scenario is Atlanta.
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What would happen to a substance at
the theoretical temperature of 0 K?
(1 point)
The substance's particles would
accelerate.
The substance would turn from
solid to gas.
The substance's particles would
stop moving.
The substance would turn from
liquid to solid.
At the theoretical temperature of 0 K (also known as absolute zero), the substance's particles would stop moving.
This is because temperature is a measure of the average kinetic energy of the particles in a substance, and at 0 K, there is no thermal energy left to sustain motion.
At this temperature, all molecular motion and vibration would cease, and the substance would have the lowest possible energy state. This is the coldest temperature possible, and no substance can be cooled to exactly 0 K, although temperatures very close to absolute zero can be achieved in laboratory settings using cryogenic cooling techniques.
Therefore, the correct answer is: The substance's particles would stop moving.
What is kinetic energy?
Kinetic energy is the energy that an object possesses due to its motion. It is a form of energy that an object has because of its speed and mass. The formula for kinetic energy is:
KE = 1/2 * m * v^2
where KE is the kinetic energy, m is the mass of the object, and v is the velocity of the object.
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5. A mineral called Iron pyrite forms crystals that are shaped like rectangular boxes. One such crystal is 8.6 - 10-meters tall, 5.0.10-2 meters wide, and 7.8. 10-2 meters deep. Ignoring
significant figures, what is the volume of this rectangular crystal?
1.366.10 m
3.354. 10-m
1.366. 10-
3.354.10
the volume of this rectangular crystal is 3.354 × 10⁻⁴ m³.
Option b) 3.354 × 10⁻⁴ m³ is the correct answer.
Given the data in the question;
Length of the rectangular box \(=8.6 * 10^{-2} m\)
Width of the rectangular box \(=5.0 * 10^{-2} m\)
Depth of the rectangular box \(=7.8 * 10^{-2} m\)
Now, we know that formula for calculating the volume of a rectangular box or prism is;
Volume = Length × Width × Height or depth
So, we simply input our given values into this formula
\(Volume = ( 8.6 * 10^{-2}) ( 5.0 * 10^{-2}) ( 7.8 * 10^{-2})\)
\(Volume = 0.0003354 m\)
\(Volume = 3.354 * 10^{-4} m^3\)
Therefore, the volume of this rectangular crystal is 3.354 × 10⁻⁴ m³
Option b) 3.354 × 10⁻⁴ m³ is the correct answer.
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Drag the labels to the image. Each label can be used more than once.
The image shows the path of a ball from the time it's thrown to the time it lands on the ground. Determine the kind of energy the ball has at each
position. (PE stands for gravitational potential energy, and KE stands for kinetic energy.)
Following the image of the ball that have been shown;
1. Potential energy
2. Kinetic energy
3. Kinetic energy
4. Potential energy
5. Kinetic energy
6. Kinetic energy
7. Kinetic energy
What is the type of energy?
Due to its position or elevation, an object has potential energy while it is at rest or is elevated above the ground. Depending on the circumstances, this potential energy may either be elastic or gravitational.
Kinetic energy, or the energy connected to motion, is present when an item is in motion. An object's kinetic energy is determined by its mass and velocity .
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Answer:
1: Potential and kinetic
2: Potential and kinetic
3: Potential and kinetic
4: potential
5: Potential and kinetic
6: Potential and kinetic
7: NEITHER
Explanation:
4 is potential because its the highest point
7 is neither because the question states "the image shows the path of a ball from the time it's thrown to the time it lands on the ground" so... 7 is when the ball has landed on the ground. therefore it has neither potential nor kinetic because it is resting.