what is the difference between torque and the moment of a force ​

Answer:

i think its 10 or 11 not sure though if its wrong im sorry im trying to help

Explanation:

The actual volume of the cone is 160/3 cm3, and it increases from the center of the base to the tip. The form of a cone with a dotted line.

The amount of quantity that is gained by the solid or object when it is located in three-dimensional space is referred to as the volume of the solid.

The volume of the cone may be calculated using the formula below, which is as follows:

\(V=\frac{\pi r^2 h}{3}\)

The radius of the cone's base is denoted by the symbol (r), while the height of the cone is denoted by the symbol (h).

The picture of the cone, the volume of which has to be determined, is attached further down.

The height of the cone is 10 centimeters, while the radius measures 4 centimeters. Thus, enter these numbers into the formula shown above as,

\(& V=\frac{\pi(4)^2(10)}{3} \\& V=\frac{160}{3} \pi \mathrm{cm}^3\)

As this is the case, the precise volume of the cone in which the outline of a cone with a dotted line rises from the center of the base to the tip is 160/3 cm3.

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Answer:

I want to help you but i cant.

Explanation:

please provide a screenshot or photos of moons 1-4

The water in a river flows downstream at 3.0 M/s. A boat is motoring upstream against the flow at 5.0 m/s. then boats speed of relativity to the riverbank 2.0 m/s. Hence option D is correct.

Speed is a rate of change of distance with respect to time. i.e. v=dx÷dt. Speed can also be defined as distance over time i.e. speed= distance ÷ time it is denoted by v and its SI unit is m/s. it is a scalar quantity. Speed shows how much distance can be traveled in unit time. To find dimension for speed is, from formula Speed = Distance ÷ Time. A boat is a sort of watercraft that comes in a variety of shapes and sizes, although it is normally smaller than a ship, which is defined by its bigger size, shape, cargo or passenger capacity, or ability to transport boats.

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The theoretical efficiency is greater than that of the actual efficiency of the engine. This is because heat engine always produces some waste heat.

The Second Law of Thermodynamics states that a heat engine cannot be 100% efficient. In practice, a heat engine is only 100% efficient when it is operating at about 30-50% efficiency.

If we were to multiply this by 100, we would get the efficiency as a percent: 49%. This is the theoretical maximum efficiency. If we were to actually build an engine, it would be less efficient than the theoretical engine. The theoretical engine that can achieve this theoretical maximum efficiency is called the Carnot Engine.

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There could be a few possible causes for feeling pushed down to the floor while waking up in a spaceship. One possibility is: that the spaceship is experiencing a sudden acceleration or change in velocity, causing the sensation of increased gravity or g-forces.

Another possibility is that the artificial gravity system on the spaceship is malfunctioning, resulting in an increase in the force of gravity felt by the occupants.

Alternatively, the sensation could be a result of waking up in a low-gravity environment after being used to Earth's higher gravity, which can cause a feeling of heaviness or difficulty moving at first.

It is probable that the spaceship is encountering a sudden acceleration or velocity change, resulting in an increased sensation of gravity or g-forces. The artificial gravity system on the spaceship might also be malfunctioning, resulting in an increase in the gravitational force felt by the occupants.

Lastly, waking up in a low-gravity environment after being used to Earth's higher gravity can cause a sensation of heaviness or difficulty moving at first.

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Answer:

True

Explanation:

The reproductive success of any species is the capability to produce their offspring per breeding lifetime or event.

Most of the species have to attract their partners by their physical capability and build up so that the mother can choose her partner in order to breed the best kind of off spring.

In the context, in case of deer, the size of the their antlers as well as behavior in herding is considered as the best chances for a successful reproduction to compete among the males and find their breeding mate.

Thus the answer is TRUE.

Answer:

\(9.8\; {\rm J}\), assuming that the gravitational field strength is \(g = 9.8\; {\rm N \cdot kg^{-1}}\).

Explanation:

Notice that both the speed and the direction of motion of this block are constant. In other words, the velocity of this block is constant.

By Newton's Second Law, the net force on this block would be \(0\). External forces on this block should be balanced. Thus, the magnitude of the (downward) weight of this block should be equal to the magnitude of the (upward) force that the boy applies on this block.

Let \(m\) denote the mass of this block. It is given that \(m = 1\; {\rm kg}\). The weight of this block would be:

\(\begin{aligned}\text{weight} &= m\, g \\ &= 1\; {\rm kg} \times 9.8\; {\rm N \cdot kg^{-1}} \\ &= 9.8\; {\rm N}\end{aligned}\).

Hence, the force that the boy applies on this block would be upward with a magnitude of \(F = 9.8\; {\rm N}\).

The mechanical work that a force did is equal to the product of:

The displacement of this block (upward by \(s = 1\; {\rm m}\)) is in the same direction as the (upward) force that this boy had applied. Thus, the work that this boy had done would be the product of:

\(\begin{aligned}\text{work} &= F\, s \\ &= 9.8\; {\rm N} \times 1\; {\rm m} \\ &= 9.8\; {\rm J}\end{aligned}\).

Explanation:

Voltage is the pressure pushing electrons through a power circuit.   Express in volts

You can always search on go ogle to give you an easier answer.

Answer:

Reliable predictions require precursors – some kind of signal in the earth that indicates a big quake is on the way. The signal has to happen only before large earthquakes and it has to occur before all big quakes. At the moment seismologists have failed to find those precursors – if they even exist.

The melting point of a mineral generally increases with increasing pressure (or depth).

This relationship can be explained through the concept of phase equilibrium. At higher pressures, the stability of the solid phase is enhanced, meaning that more energy is required to break the bonds and convert the solid into a liquid. As pressure increases, the atomic structure of the mineral becomes more compact and dense, making it more resistant to melting.

In Earth's mantle, for example, minerals that make up the rocks experience greater pressures as depth increases. The increased pressure leads to a higher melting point for these minerals, so they remain solid even at elevated temperatures. This pressure-temperature relationship contributes to the formation of Earth's layered structure, with solid rock at greater depths despite increasing temperature.

However, it is essential to note that other factors, such as the composition of the mineral and the presence of impurities, can also influence the melting point. For instance, the melting point of a mineral may decrease when it is mixed with other minerals, even under high pressures.

In conclusion, the melting point of a mineral generally increases with increasing pressure (or depth) due to the enhanced stability of the solid phase and the more compact atomic structure at higher pressures. This relationship plays a crucial role in Earth's layered structure and the behavior of minerals in various geologic environments.

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The bond with the highest bond dissociation energy is the triple bond between two nitrogen atoms (N≡N). The bond dissociation energy is the energy required to break a bond between two atoms and is a measure of the bond strength.

Since there are three covalent bonds involved, sharing a total of six electrons between the two atoms, the triple bond formed by two nitrogen atoms is extremely strong. The BDE for the NN bond is around 945 kJ/mol, which is much higher than the BDE for the majority of other covalent bonds, such as the double bond (N=N) between two nitrogen atoms and the single bond (N-N) between two nitrogen atoms, both of which have BDEs of roughly 418 kJ/mol. One way to measure how strong a chemical bond A–B is is by examining at the bond-dissociation energy. It may be described as the typical enthalpy shift that occurs when A and B, which are typically radical species, are split apart by homolysis.

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Answer:

the answer of question no5 is b

The final correct answer is option b. 5.77 +/- 0.56 g/m^3.

The density using the center value with error method can be calculated by finding the average of the given mass and volume ranges and then finding the error by subtracting the lower value from the average.

The density is then given as the average mass divided by the average volume with the error given as the average error of the mass and volume.

The average mass is (14.6 g + 15.2 g) / 2 = 14.9 g and the average volume is (2.4 m^3 + 2.8 m^3) / 2 = 2.6 m^3. The error for the mass is (15.2 g - 14.6 g) / 2 = 0.3 g and the error for the volume is (2.8 m^3 - 2.4 m^3) / 2 = 0.2 m^3.

The density is then given as 14.9 g / 2.6 m^3 = 5.73 g/m^3 and the error is (0.3 g + 0.2 m^3) / 2 = 0.25 g/m^3. Therefore, the density using the center value with error method is 5.73 +/- 0.25 g/m^3.

Hence, The correct answer is option b. 5.77 +/- 0.56 g/m^3.

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Answer:

There is a right angle and it has three sides.

Explanation:

There are two 45 degree angles and since a triangles sides ALWAYS add up to 180 we know the the other side has to be 90 degrees because 45+45+90=180. And we know that every triangle has three sides because "tri" means three.

The two possible angles that he can throw the ball is 13.1⁰ and 77⁰.

The time in air for each angle are 0.92 seconds and 4 seconds.

The range of a projectile is the maximum horizontal displacement of the projectile.

Mathematically, the range of a projectile is given as;

R = [u² sin(2θ)]/g

where;

sin(2θ) = Rg/u²

sin(2θ) = (18 x 9.8)/(20²)

sin(2θ) = 0.441

2θ = arc sin(0.441)

2θ = 26.2⁰

θ = (26.2⁰)/2 = 13.1⁰

θ' = 90 - 13.1⁰ ≈ 77⁰

R = Vₓt

t = R/Vₓ

t = (18 m) / (20 x cos77)

t = 4 seconds

t₂ =  (18 m) / (20 x cos13)

t₂ = 0.92 s

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Answer:

♥ Convection.

♥ Conduction.

♥ Radiation.

                              ♥ (  お力になれて、嬉しいです！) ♥

Balloon A is positively charged, and balloon C is negatively charged. If balloon A approaches balloon C, there will be an electrostatic force of attraction between them.

When two objects carry opposite charges, they exert an attractive force on each other. This force is known as the electrostatic force and follows Coulomb's law. According to Coulomb's law, the magnitude of the electrostatic force between two charged objects is directly proportional to the product of their charges and inversely proportional to the square of the distance between them. In this scenario, since balloon A is positively charged and balloon C is negatively charged, they have opposite charges. Therefore, the electrostatic force between them will be attractive. The magnitude of the force depends on the charges of the balloons and the distance between them. It is important to note that without specific information about the charges of the balloons and their distance, it is not possible to determine the exact magnitude of the force. To calculate the force, you would need the values of the charges and the distance between the balloons.

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The tool of L.B Jefferies' trade-in Rear window that saves him from harm once he is discovered by his potentially murderous neighbor is his Camera flash bulb.

The correct option is C.

The storyline of Rear-window is that of a news photographer, L.B Jefferies, in a wheelchair, watching the behavior of his neighbors across the courtyard from his Greenwich Village apartment, and is amused by what he sees.

He becomes convinced that one of the neighbors has murdered his wife based on his observations, but he is unable to persuade his fiancee and his detective friend of this. Eventually, the killer realizes he is being observed and tries to kill the photographer after the fiancée finds proof that supports his suspicions. Though his second leg is injured during the rescue effort, the snooper is saved just in time.

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The focal length is the distance, in millimeters, between the lens' optical center and the camera sensor, which records light data.

Thus, The elements inside the housing of a lens bend and shape light as it enters the front so that it converges into a single point of focus known as the "optical center."

It is crucial to remember that this measurement is made with the camera set to infinity and that lenses are named according to their focal length, which is indicated on the lens' barrel.

They offer a broad field of view, focal length lenses are utilized in architectural, documentary, and landscape photography. Since subjects seem smaller via these wide-angle lenses, photographers must move closer to fill the frame.

Thus, The focal length is the distance, in millimeters, between the lens' optical center and the camera sensor, which records light data.

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The gyroscope slows from an initial rate of 29.6 rad/s at an angular acceleration of 0.54 rad/s2.

Part (a) How long does it take to come to rest in seconds? t = ?

The angular deceleration is given by the negative value of the angular acceleration; thus:

α = -0.54 rad/s2

The initial velocity is given by the value,

ω1 = 29.6 rad/s.

The final velocity, ω2 = 0 rad/s.

The formula for angular acceleration is:

ω2 = ω1 + αt,

where:

ω1 = 29.6 rad/s

ω2 = 0 rad/s

α = -0.54 rad/s

2t = ?

Substitute the values in the formula above and solve for t.

0 = 29.6 - 0.54tt = 29.6/0.54t = 54.8 seconds

Therefore, it takes 54.8 seconds to come to rest in seconds.

Part (b)The number of revolutions that the gyroscope makes before stopping is given by:

n = (ω1/2π)t,

where:

ω1 = 29.6 rad/s

t = 54.8 s

n = ?

Substitute the values in the formula above and solve for n:

n = (29.6/2π)(54.8) revolutions

n ≈ 277.4

Therefore, the number of revolutions that the gyroscope makes before stopping is approximately 277.4 revolutions.

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Jeff has created a device that can convert solar energy into electricity. This innovative technology harnesses the power of sunlight to generate electrical energy, providing a sustainable and renewable source of power.

Jeff's device utilizes photovoltaic cells to convert solar energy into electricity. Photovoltaic cells, commonly known as solar cells, are made of semiconducting materials, such as silicon, that can absorb photons from sunlight.

When sunlight hits the solar cell, it excites electrons within the material, creating an electric current. The photovoltaic cells are arranged in a panel or module, which can be connected in series or parallel to achieve the desired voltage and current levels.

To optimize the conversion of solar energy, Jeff's device may include additional components, such as a charge controller, which regulates the charging of batteries or the direct usage of electricity.

It may also feature an inverter to convert the direct current (DC) produced by the solar cells into alternating current (AC), suitable for powering appliances and feeding into the electrical grid.

Overall, Jeff's device harnesses the photovoltaic effect to transform solar energy into a usable form of electricity, providing a sustainable and renewable energy source.

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The more distant planet experiences one-sixteenth as much gravitational force from the star as the closer planet.

According to Newton's law of universal gravitation, the gravitational force between two objects is inversely proportional to the square of the distance between them. In this scenario, since the more distant planet is four times as far from the star as the closer planet, the distance between the more distant planet and the star is twice the distance between the closer planet and the star.

Using the inverse square relationship, we can calculate the ratio of gravitational forces:

(1/distance^2) : (1/(2 * distance)^2) = 1 : (1/4) = 4 : 1

Therefore, the more distant planet experiences one-sixteenth as much gravitational force from the star as the closer planet.

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Answer:

C. Mantle

Explanation:

The Mantle is a thick layer of solid and partially melted rock

Here's the Answer :

=》A) It will move towards the weaker force.

because, the stronger force will overcome the weaker one and hence make the object move towards the other side.

The given series, 1 + 7n Σ 57 n = 1, is divergent because the terms in the series continue to increase without bounds, the sum of the series also increases indefinitely.

To determine the convergence or divergence of the series, we can analyze its behaviour as n approaches infinity. The series can be written as Σ(1 + 7n*57) for n = 1 to infinity. By simplifying the expression, we have Σ(399n + 1) for n = 1 to infinity.

As n increases, the summand of the series grows linearly with a coefficient of 399. Since the coefficient is nonzero and positive, the series will diverge. This means that the sum of the series will not approach a finite value as n tends to infinity.

Therefore, the given series is divergent, and we cannot find its sum. It is important to note that a divergent series does not have a finite sum. Therefore, the sum of the given series is "DIVERGES."

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Answer:

\(\frac{n}{t} = 30\ photons/s\)

Explanation:

The radiated power can be given in terms of the wavelength as follows:

\(Rasiated\ Power = \frac{nE}{t} = \frac{nhc}{\lambda t}\)

where,

Radiated Power = 1.2 x 10⁻¹⁷ W

n = no. of photons = ?

h = plank's constant = 6.625 x 10⁻³⁴ J.s

c = speed of light = 3 x 10⁸ m/s

λ = wavelength = 500 nm = 5 x 10⁻⁷ m

t = time

Therefore,

\(1.2\ x\ 10^{-17}\ W = \frac{n(6.625\ x\ 10^{-34}\ J.s)(3\ x\ 10^8\ m/s)}{(5\ x\ 10^{-7}\ m)(t) }\\\\\frac{n}{t} = \frac{1.2\ x\ 10^{-17}\ W}{3.975\ x\ 10^{-19}\ J}\\\\\frac{n}{t} = 30\ photons/s\)