Poisson's ratio a. is a material property b. describes how the diameter of a bar decreases when it is axially loaded c. can be calculated as V where a is the applied load direction and t is the transverse direction.
d. can be calculated as v
Answers
Poisson's Ratio is the property of the material c. can be calculated as V where a is the applied load direction and t is the transverse direction.
One of the crucial material properties to employ in determining a material's brittleness or ductility, contractibility or expandability, is the Poisson's ratio, which is defined as the negative of the ratio of the transverse strain to the axial strain for a uniaxial stress condition.
The Poisson ratio (v) The material's deformation in a direction perpendicular to the direction of the applied force is measured by Poisson's ratio. In essence, Poisson's ratio is a crucial rock characteristic associated with closure stress and one way to gauge a rock's strength.
Hence option c is correct.
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Related Questions
I’m steel, the solvent is And the solute is. .
Answers
How old is someone with a Maximum Heart Rate of 191?
Answers
Answer:
30 years old
Explanation:
2. 9-kg sacks of potatoes are repeatedly dropped onto a platform held up by a large spring and then removed before the next sack falls. How does the distance the spring compresses when the potatoes are dropped from a first height of 3. 9 m compare to the distance the spring compresses when dropped from a second height of 15. 3 m?
Answers
The distance the spring compresses when the potatoes are dropped from a height of 15.3 m is four times greater than the distance it compresses when dropped from a height of 3.9 m.
When an object is dropped, its potential energy is converted into kinetic energy as it falls. The potential energy is given by the equation PE = mgh, where m is the mass, g is the acceleration due to gravity, and h is the height. As the potato sacks have the same mass, the potential energy is directly proportional to the height.
The compression of a spring is related to the potential energy transferred to it. According to Hooke's law, the force exerted by a spring is proportional to its compression. Since the potential energy is proportional to the height, and the force is proportional to the compression, we can conclude that the compression of the spring is also proportional to the height.
Therefore, when the potatoes are dropped from a height of 15.3 m compared to 3.9 m, the height increases by a factor of approximately four. Consequently, the distance the spring compresses will also increase by a factor of four.
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why should a counterweight be moveable
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A weight known as a counterweight is one that stabilizes and balances a mechanical system by exerting an opposing force.
Why do moveable flight control surfaces have large counterweights installed in the leading edge?A counterweight's function is to speed up and improve the efficiency of lifting the load, which conserves energy and reduces wear and tear on the lifting apparatus. A weight known as a counterweight is one that stabilizes and balances a mechanical system by exerting an opposing force.
To lift loads up to 120 tons, tower cranes are utilized at large building sites. In a tower crane, a fixed and a moveable counterweight are held by two arms that extend from the center of the structure. For the purpose of balancing the load, the operator moves the mobile counterweight.
For the purpose of providing offset forces in the flight controls, counter weights are used. With less pressure needed to move the controls, this gives them better "feel" and "feedback" forces.
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A counterweight should be moveable so as to make lifting the load in a faster and more efficient manner.
What is a counterweight?A counterweight is a weight which has a major purpose to help maintain the stability and balance of a mechanical system by exerting an opposing force. A counterbalance or counterweight is usually used to lift a load more quickly and effectively, which saves energy and reduces wear and tear on the lifting apparatus used with it.The potential energy obtained is equivalent to the work done to lift the counterweight.When the counterweight is being displaced by a force that is acting in the same direction as the applied force, the potential energy gained is equal to that distance it is working or kept.To know more about counterweight visit
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Two cars - Car A and Car B - drive in the same direction down a street. Car B is traveling at 30 m/s. Car A is traveling 20 m/s. Imagine that you're sitting inside Car A and Car B passes you. What is the velocity of Car B relative to you? Don't forget UNITS.
Answers
Answer:derp
Explanation:
6. The race car in the previous problem slows from
36 m/s to 15 m/s over 3.0 s. What is its average
acceleration?
Answers
Answer:
a_AV - 15 m/s – 36 m/s =-70 m/s2. At. 3.0 s.
Explanation:
The average acceleration of the car as it slows down is -5 m/s².
Given is a race car that slows down from 36 m/s to 15 m/s in 3 seconds.
initial velocity [u] = 36 m/s
final velocity [v] = 15 m/s
time taken [Δt] = 3 s
We can calculate the acceleration as follows -
a = Δv/Δt
a = (v - u) / Δt
a = (15 - 30)/3
a = -15/3
a = -5 m/s²
Therefore, the average acceleration of the car as it slows down is
-5 m/s².
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What is the mechanical layer of Earth that has the most active convection
currents?
OA. Lower mantle
OB. Crust
OC. Lithosphere
OD. Asthenosphere
SUMIT
Answers
Option D. The mechanical layer of Earth that has the most active convection currents is Asthenosphere.
What is Asthenosphere?The asthenosphere is the mechanically weak and ductile region of the upper mantle of Earth.
The asthenosphere, zone of Earth's mantle lying beneath the lithosphere and believed to be much hotter and more fluid than the lithosphere. It is the most active layer for convection current.
Thus, the mechanical layer of Earth that has the most active convection
currents is Asthenosphere.
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how many degrees of longitude are in each time zone
Answers
Each time zone covers approximately 15 degrees of longitude.
The Earth is divided into 24 time zones, with each time zone spanning roughly 15 degrees of longitude. The Prime Meridian, located at 0 degrees longitude and passing through Greenwich, London, serves as the reference point for determining time zones. From there, each time zone extends 15 degrees eastward and westward, with adjacent time zones differing by one hour. This division allows for standardization of time across different regions, facilitating coordination and synchronization of activities within a specific time zone. The 15-degree increment is based on the Earth's rotation, which completes a full 360-degree rotation in approximately 24 hours. As a result, each time zone represents roughly one hour of time difference from its neighboring zones. However, it is important to note that some time zones may deviate slightly from the 15-degree rule to accommodate political boundaries or other factors.
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The moon completes one (circular) orbit of the earth in 23.7 days. The distance from the earth to the moon is 3.84×10^8m. Calculate the centripetal acceleration.
Answers
Given that distance of moon from the earth is, R= 3.84 x 10^8 m
Also, time taken to complete one revolution is, T= 23.7 days = 2047680 seconds
Mass of the moon is, m= 7.347 Kg
To find the centripetal acceleration,
\(a_c=\frac{m4\pi^2R}{T}\)Substituting the values, we get
\(undefined\)If an object starts from rest, what is its initial velocity?
Answers
Answer:
if an object starts from rest it's initial velocity is zero
1) as the van de graaff generator becomes charged you should be able to hear the motor slowdown. why do you think it slows down?
Answers
Van de Graaf generator is charged using the Comb attached to the shaft belt connected with the motor. So when the metallic sphere is charged there is no use to run the motor resulting slowing down the motor.
A generator is a device that converts mechanical energy into electrical energy. It is also known as an alternator, and is widely used in various applications, such as power generation, transportation, and industrial machinery. The basic principle of a generator is Faraday's law of electromagnetic induction, which states that a changing magnetic field can induce an electric current in a conductor.
A generator typically consists of a rotating shaft, a set of magnets or coils, and a stationary component called a stator. The rotation of the shaft causes the magnets or coils to move past the stator, generating an electrical current. The output voltage and current of a generator can be controlled by adjusting the speed of the shaft, the number of coils or magnets, and the strength of the magnetic field.
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If Argon's melting point is -309 degrees then what is its freezing point?
Answers
The melting point of a substance is the temperature at which the substance changes its phase from solid to liquid.
The freezing point is the temperature at which the substance changes its phase from liquid to solid.
The melting point of a substance is the same as the freezing point. That is when the temperature of the substance in the liquid form is increased continuously, the temperature at which the substance turns into a solid is equal to the temperature at which the substance will turn into liquid from solid if the temperature is decreased continuously, from a higher temperature.
The conductance of a wire varies directly as the square of the wire's diameter and inversely as its
length. Fifty meters of wire with diameter 2 mm has conductance 0.12 mho (unit of conductance).
If a wire of the same material has length 75 m and diameter 2.5 mm, what is its conductance?
Answers
Since it varies directly with the square of the wire's diameter and inversely with wire length, the conductance of a wire is 0.15 mho.
Does a wire's electrical resistance change inversely with its square of diameter and directly with its length?A wire's electrical resistance varies inversely as the square of its diameter and directly as its length. A wire with a diameter of 1/4 inch and a length of 200 inches has a 20 ohm resistance.
Let L be the wire's length, d its diameter, and C its conductance be the parameters.
Based on the facts provided, we can:
C ∝ d² (conductance varies directly as the square of the diameter)
C ∝ 1/L (conductance varies inversely as the length)
Combining these two proportionalities, we get: C ∝ d²/L
This connection can be used to find a solution to the issue. Using the numbers for the 50 m wire, we can first calculate the proportionality constant as follows:
C = k(d²/L)
0.12 = k(2²/50)
k = 0.12*50/4 = 1.5
So, using this value of k, we can determine the conductance of a 75 m wire with a 2.5 mm diameter:
C = k(d²/L)
C = 1.5*(2.5²/75)
C = 0.15 mho
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A sound wave passes from air into water and then into steel. With each change in medium, the velocity of this wave will a(increase,then decrease b(decrease c(increase d( decrease,then increase ?
Answers
Answer:
a
Explanation:
because it can increase anything
How did people fly before Isaac Newton invented gravity?
Answers
Answer:
Isaac Newton did not invent gravity. Gravity is a fundamental force of nature that has always existed. Newton's contribution was to formulate the laws of motion and universal gravitation, which helped to explain the behavior of objects under the influence of gravity.
As for how people flew before the development of powered flight, they relied on a variety of methods, such as gliding, using hot air balloons, and being lifted by the wind in kites. For example, in China, people have been flying kites for more than 2,000 years. In the late 18th century, the Montgolfier brothers developed hot air balloons, which allowed humans to ascend into the air for short periods of time. And in the late 19th and early 20th centuries, pioneers of aviation such as the Wright brothers and their contemporaries developed powered aircraft, which eventually led to modern air travel.
If you drop an object, it accelerates downward at 9.8 m/s2 (in the absence of air resistance). if, instead, you throw it downward, its downward acceleration after release is:____.
Answers
Its downward acceleration after release is 9.8 m/s².
What is free fall?Any motion of a body in which gravity is the sole force acting on it is referred to as free fall in Newtonian physics. A body in free fall has no force acting on it according to general relativity, where gravity is reduced to a space-time curvature.
The object is released into free fall and has a big velocity because you dropped it but its acceleration is the same.
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Which property of a transverse wave stays the same even as the wave's
energy and other properties change?
Wavelength
Frequency
Rest position
Amplitude
ent
1 of 8 QUESTIONS
SUBMIT
Answers
The property of a transverse wave that stays the same even as the wave's energy and other properties change is the wavelength.
The correct option to the given question is option a.
The wavelength is the distance between two successive points of the wave that are in phase. As the wave's energy and amplitude change, the distance between two successive points of the wave that are in phase remains the same.
This is because wavelength is determined by the frequency of the wave and the speed of propagation. The frequency of the wave is the number of cycles of the wave that occur in one second, while the speed of propagation is the rate at which the wave travels through a medium.
If the frequency of the wave and the speed of propagation remain the same, then the wavelength will also remain the same even as the wave's energy and other properties change. This property is known as the characteristic of the wave.The amplitude is the maximum displacement of a point on the wave from its rest position. The frequency is the number of cycles of the wave that occur in one second. The rest position is the position of the medium when it is not disturbed.
Hence, wavelength of a transverse wave remains same even as the wave's energy and other properties change.
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A 4.00×100-g glass coffee cup is 20.0°C at room temperature. It is then plunged into hot dishwater at a temperature of 80.0°C, as shown in Figure 12-18. If the temperature of the cup reaches that of the dishwater, how much heat does the cup absorb? Assume that the mass of the dishwater is large enough so that its temperature does not change appreciably.
Answers
The amount of heat the cup absorb is 1003200 J.
Given,
Mass of coffee cup = 4.00 × 100 g or 4 kg
Room temperature = 20°C
Hot water temperature = 80°C
We have to find the amount of heat the cup absorbed.
Now, by using the specific heat formula, we have
Q = mCΔT
Where m is the mass of the substance, c is the specific heat, ΔT is the change in temperature, and Q is the amount of heat received or lost.
Putting the values, we get
Q = 4 × 4180 × (80°- 20°)
Q = 1003200 J/kg K
Hence, the amount of heat absorbed by the cup is 1003200 J/kg K.
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Q3The pressure P (in kilopascals), volume V (in liters) and temperature T(in kelvins) of a mole of an ideal gas are related by the equation PV = 8.31T Find the rate at which the pressure is changing when the temperature is 300 K and increasing at a rate of 0.1 K/s and the volume is 100 L and increasing at a rate of 0.2L/s.
Answers
dP/dt = (0.831 - 0.2P) / 100, where P represents pressure (in kilopascals).
This equation represents the rate at which the pressure is changing with the given conditions of temperature and volume.
To find the rate at which the pressure is changing, we need to use partial derivatives. Given the equation PV = 8.31T, we can differentiate both sides of the equation with respect to time t.
Differentiating both sides with respect to time t, we get:
P(dV/dt) + V(dP/dt) = 8.31(dT/dt)
Now, let's substitute the given values:
dT/dt = 0.1 K/s (rate of temperature change)
dV/dt = 0.2 L/s (rate of volume change)
T = 300 K (temperature)
V = 100 L (volume)
Plugging in the values into the equation:
P(0.2) + 100(dP/dt) = 8.31(0.1)
0.2P + 100(dP/dt) = 0.831
Now, we can solve for dP/dt:
100(dP/dt) = 0.831 - 0.2P
dP/dt = (0.831 - 0.2P) / 100
Therefore, the rate at which the pressure is changing when the temperature is 300 K and increasing at a rate of 0.1 K/s, and the volume is 100 L and increasing at a rate of 0.2 L/s is given by:
dP/dt = (0.831 - 0.2P) / 100
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A
is the order in which things are arranged.
O plan
sequence
O process
O goal
Answers
Answer:
sequence
Explanation:
sequences are the way in which things are ordered, for example: 1, 2, 3, 4 is a sequence:)
What has more kinetic energy 15 kg ball rolling north at 15 m/s or a 15 kg ball rolling backwards at 7m/s
Answers
Answer:
15 kg ball
Explanation:
Please help and explain will mark brainiest!!!
Answers
The particles or energy in a transverse wave travel up and down, perpendicular to the direction of the wave travel.
What is electromagnetic wave?
Electromagnetic waves are type of wave that do not require material medium for their propagation.
This type of waves travels in vacuum or in open medium.
Examples of electromagnetic waves include the follows;
Gamma raysx-raysultraviolet raysvisible lightinfra redmicro wavessound wavesElectromagnetic waves are known as transverse waves due to their mode of propagation.
In transverse wave, the particles of the medium travels perpendicular to their mode of vibration.
Thus, the particles or energy in a transverse wave travel up and down, perpendicular to the direction of the wave travel.
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how many protons, neutrons, and electrons are present in the following: 133xe
Answers
133xe is the chemical symbol for Xenon-133, an isotope of Xenon. It has 54 protons, 79 neutrons, and 54 electrons.
Xenon-133 has 54 protons, which determines its atomic number and chemical properties. It also has 79 neutrons, which contributes to its atomic mass. The electrons in Xenon-133 are arranged in energy levels around the nucleus, and there are 54 of them. The number of electrons is equal to the number of protons in a neutral atom. Knowing the number of protons, neutrons, and electrons in an atom is important for understanding its properties and behavior, such as its reactivity with other elements.
To summarize, Xenon-133 has 54 protons, 79 neutrons, and 54 electrons. These three subatomic particles play important roles in determining the properties and behavior of an atom.
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Jaipal measures a circuit at 1. 2 A and 24. Using Ohm’s law, what can he calculate for the circuit? current (C) current (I) voltage (V) voltage (A).
Answers
Jaipal can calculate for the voltage (V) in the circuit
Ohm's laws states as follow:
V = IR
Where:
V is the voltage (unit V)
I is the current (unit A)
R. Is the resistance (unit ohm)
From the question given above, we were given the following:Current (I) = 1.2 A
Resistance (R) = 24 ohms
Voltage (V) =?From the above we can see that the voltage is missing.
Thus, using ohm's law, Jaipal can calculate for the voltage (V) in the circuit
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Jaipal can calculate the Voltage in the circuit from the current and resistance he measured.
The given parameters:
current measured in the circuit, I = 1.2 Aresistance of the circuit, R = 24 ohmsAccording to Ohms law, the voltage across a conductor is directly proportional to the current flowing the conductor.
V = IR
where;
V is voltage in the circuitV = 1.2 x 24
V = 28.8 V
Thus, Jaipal can calculate the Voltage in the circuit from the current and resistance he measured.
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According to the Hertzsprung-Russell diagram, a star with a very high luminosity and a temperature of around 9000 K is most likely which type of star?
A. Main Sequence Star
B. Giant
C. Supergiant
D. White Dwarf
Answers
Answer:
supergiant
Explanation:
Answer:
the picture
Explanation:
you can see i got it right :)
a wave has a wavelength of 1.5 meters and a frequency of 30 hz what is the velocity of the wave?
15m/s
45m/s
75m/s
90m/s
Answers
Wave has wavelength of 1.5 meters and frequency of 30 Hz, then the velocity of the wave is calculated as 45 m/s.
What is wavelength?Distance between identical points (adjacent crests) in the adjacent cycles of waveform signal propagated in space or along a wire is known as wavelength. In wireless systems, this length is specified in meters (m), centimeters or millimeters.
Velocity of a wave is given by the formula: velocity = wavelength x frequency
Given, frequency :30 Hz ; wavelength : 1.5 meters
So, velocity = 1.5 meters x 30 Hz = 45 m/s
Therefore, the velocity of the wave is 45 m/s.
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If the coefficient of static friction at all contacting surfaces is determine the inclination at which the identical blocks
Answers
The tangent of the angle at which the items slide equals the coefficient of static friction. The measurement of k can be done in a similar way. To accomplish it, push the upper object while angling it upward. The tangent of that angle equals k when the upper object slides along at a constant speed.
Why is the coefficient of static friction determined using an incline?
By calculating the angle at which the force of gravity overcomes the static friction, you can utilize an item that is inclined to calculate the static coefficient of friction.
How can you tell which way static friction is prevailing?
Static friction pushes in the direction you're trying to travel when you walk (see Figure 2 below). In the absence of friction, the foot would slip backwards as it presses on the ground (like walking on ice).
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Is a structure stable when force is applied in a certain direction?
Answers
Answer:
It can be, but no, mostly it won't be, and it will fall.
Explanation:
When you put force on a structure it will most likely fall unless, it's a big statue.
Please help :/
Two objects have the same center point of the circle, but are located at different positions away from the center point. Each object is moving with uniform circular motion. Which would describe the tangential speed of the objects?
A) both objects would have the same tangential speed
B) the object with the smaller radius has a faster tangential speed
C) the object with the larger radius has a faster tangential speed
D) both objects would have oscillating tangential speeds
Answers
C. The object with the larger radius has a faster tangential speed.
What is tangential speed?
Tangential speed is the linear component of the speed of any object which is moving along a circular path.
v = ωr
where;
ω is angular speedr is the radius of the circular pathIf both object the same center point, they will have the same angular speed but different tangential speed due to their location from the center point.
Thus, the object with the larger radius has a faster tangential speed.
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PLEASE HELP ASAP ILL GIVE U BRAINLIEST
An object is pulled to the left by a force of 100 N and to the right by a force of
80N. What is the net force acting on the object?
Answers
Answer: 20 N
Explanation: Net force is the sum of all forces acting on an object. For example, in a tag of war, when one team is pulling the tag with a force of 100 N and the other with 80 N, the net force would be 20 N at the direction of the first team (100 N - 80 N = 20 N).