A student drops a ball and it falls downward. What types of energy are involved in this energy transformation? Two answers are correct

According to the given information A support force that completely balances the weight of an object at rest.

The normal force is another name for a support force. With the same amount of power as the book's downward weight, the table pushes up on the book. A support force—the upward force that balances an object's weight on a surface—holds the book steady on the table.

Pull force attributed to another item, such as "Pull attributed to Steve." The force here is identical to the push force, but it is directed at the thing that is pulling. Support force resulting from the ground (or from the object's surface): When two solid surfaces come in contact with one another, support force arises.

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The complete question is -

What is a support force ?

A force is a power that has the ability to alter an object's motion. A force can modify, or accelerate, the velocity of a mass-containing object. Intuitively, pushing or pulling can be used to describe force. As a vector quantity, a force is one that has both magnitude and direction.

The definition of magnitude is simply "distance or quantity." It displays an object's size, direction, or motion in absolute or relative terms. It is employed to indicate the size or scope of something.

The two main categories into which forces can be separated are: Forces in contact. Non-contact forces

A force can be appropriately described as a push or a pull. A force is not something an object "has in it" or that it "contains." One thing experiences a force from another.

F = m * a kgm/s2 in SI base units

F = 10 * 5 = 50 N

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Answer:

150J (joules)

Explanation:

25% efficiency of 1000J = 250J

40% efficiency of 1000J= 400J

400-250=150

2 and 23/75 as a percentage is 2.30666666666. Hope this helps! :)

The transfer of momentum increases when the velocity of the marble increases and vice versa.

The transfer of momentum increases when the mass (number of marbles) increases and vice versa.

The momentum of a single marble can be calculated from the product of its mass and velocity.

If two marbles together are moving at the same speed as a single marble, the two marbles will have greater momentum because of their greater mass.

Momentum can be shown as a vector because the direction of the momentum of a body is specified.

The momentum of a body is the product of the mass and the velocity of the body.

Mathematically;

Since the velocity of an object is a vector, the momentum of a body is also a vector.

The momentum of a body is directly proportional to its mass and velocity.

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Answer:

Biologist >

Explanation:

A biologist is a scientist who examines organisms that are alive.

:)

The weight that will register on the scale beam is 1121 N.

The weight of an object is a measure of the force of gravity acting on a body on the earth's surface.

The weight of an object is calculated as follows:

The unit of weight is Newtons.

Considering the data given:

The weight of the lower tank is 224 N

The weight of the water in the tank is 897 N

Total weight of the tank and the water = 224 + 897 = 1121 N

This will be the total weight that will register in the scale beam.

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The car’s average acceleration is 3m/s².

What is the Car's average acceleration?

The average acceleration in the question measures the change in the velocity of the car by the time it used to cover the distance.

Average acceleration of the car is the change in the velocity of the car by the change in the time the car traveled.

ΔVelocity = 4.5m/s -( -3.0m/s)

                = 7.5m/s

The initial velocity is negative 3.0m/s as the car started  moving  backwards.

The time is 2.5s

The

The average acceleration of the car = 7.5m/s ÷ 2.5s

                                                            = 3m/s²

In summary, the car coasting backward downhill at an initial speed of 3.0 m/s would have an average acceleration of  3m/s² After increasing the speed to 4.5 m/s at a time of 2.5s.

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False. The most energetic region of the electromagnetic spectrum is NOT the microwave region. It is the Gamma rays.

What are Gamma rays?
The electromagnetic radiation with the shortest wavelength and maximum energy is known as a gamma ray. The wavelengths of gamma radiation are often less than a few tenths of an angstrom (1010 meter), yet the energy of gamma photons exceed tens of thousands of electron volts.

Gamma rays are created when radioactive atomic nuclei break apart and when certain subatomic particles decay. Pair annihilation, in which two photons are formed along with the disappearance of an electron and its antiparticle, a positron, also results in the production of gamma rays. Additionally, they can be produced when some unstable subatomic particles, such the neutral pion, decay.

Therefore, The most energetic region of the electromagnetic spectrum are gamma rays.

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For nuclear meeting It should be used on a school bus driver's handle. Adapt to the outcome this couple force into a couple moment occurred to be that implies that we must act now to find a better situation.

Open to a nuclear meeting It is intended to be used on a school bus driver's handle. respect the outcome This couple of forces occurred to be in a couple at this time. That suggests that at this moment, we need to discover a better situation and start acting.

And at this time, 400 people are throwing up. Toe in toe is what is known as a couple of forty meters. As the radius of the handle is 30 millimeters in this instance, you can translate it to meters and use the force to draw up on a spot rather four upon it. Are you in favor of addressing this issue? 1 33 nuclear will be Therefore, one till people comprehend that is supposed f.

Now, we must determine a slow speed consent business. Once more, a boardroom mingled. I am. Carletto is a PVR as well. In contrast to the original five meters, Cal critic M is supplied four on a separated radius of five millimeters.

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There is potential energy that is preserved in a trebuchet.

Potential energy is a form of energy that is stored but is dependent on the relative positions of different system components. Stretching or compressing a spring increases its potential energy. A steel ball has more potential energy when it is raised above the surface of the earth than when it is brought to Earth.

potential energy

The counterweight in a trebuchet contains a lot of potential energy because it is quite heavy. Although energy cannot be produced or destroyed, it can take on several forms. The lifted counterweight's potential energy is converted into kinetic energy, or the energy of motion, as it is released and starts to descend.

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The constant acceleration of the plane is 7.33 m/[tex]s^{2}[/tex].

Use this formula of acceleration, [tex]v^{2}[/tex] = [tex]u^{2}[/tex] + 2as

[tex]v^{2}[/tex] = [tex]u^{2}[/tex] + 2as,

a =  [tex]v^{2}[/tex] - [tex]u^{2}[/tex]   / 2s

v = velocity

s = distance

a = acceleration

Put the values in this formula, a =  [tex]v^{2}[/tex] = [tex]u^{2}[/tex]  / 2s

a = (240× 240) - (200 × 200)/ 2 × 1200

a = 7.33 m/[tex]s^{2}[/tex]

Hence, the constant acceleration of the plane is 7.33 m/[tex]s^{2}[/tex].

Acceleration is the rate of change of velocity per unit time. It is vector quantity and its S.I. unit is m/[tex]s^{2}[/tex].

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The values of velocity at point  A,C,E and G is 15m/s, the values of velocity at point B, D, F and H is 10m/s, 20m/s, 30m/s and 40m/s respectively.

The projectile is launched from the top of the cliff with a horizontal velocity of 15m/s.

Throughout the motion of the projectile the velocity will have two components. On along vertical and one along horizontal.

Here, the direction of the acceleration is only downwards because only gravity is there and that in only downwards direction.

There is no acceleration in the horizontal direction. So, the velocity in the horizontal direction will never change.

So, the velocity at A,C,E and G is 15m/s throughout the motion.

We know that,

t = √(2h/g)

h = 1/2gt²

Where,

H is height of the cliff at that point,

t is the time,

g is gravity which is equal to 10m/s².

So, the height at point,

B is 1/2(10)(1)² = 5m

D is 1/2(10)(2)² = 20m

F is 1/2(10)(3)² = 45m

H is 1/2(10)(4)² = 50m.

The vertical velocity can be found by using the formula,

V = √2gh

So, vertical velocity at point,

B is √2(10)(5) = 10m/s.

D is √2(10)(20) = 20m/s.

F is √2(10)(45) = 30m/s.

H is √2(10)(80) = 40m/s.

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Answer:

So, at moon g’=1.62 m/s^2

Therefore, mg’=99N (as given , where m is the mass )

so, m=99/1.62 =61.11 kg

hence, weight on earth will be mg( where g is the acceleration due to gravity at earth, 9.8m/s^2)

61.11*9.8=598.878 N will be the weight on earth

Explanation:

hope it helps

Answer:

Hope the picture will help

Mercury, Venus , Mars , Jupiter and Saturn are much seen planets.

What is planets ?

A planets is a body that is in orbit around the sun has sufficient Mars for it's self-gravity to overcome rigid body forces so that it assumes nearly round shape.

In simple words we can say any of the large bodies that revolve around the sun in the solar system called planet.

The current count orbiting our star there are eight planet but earth, mercury, Venus , Jupiter and Mars are much visible .

So,

At certain times of the year these 5 planets can be seen from earth .

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The total time taken by the feather to fall to the surface of moon will be 1.29 seconds.

Given is a feather dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s².

The second equation of motion is -

S = ut + 1/2 at²

We can write -

[S] = 1.4 m

[a] = 1.67 m/s²

[u] = 0 m/s

Using the second equation of motion -

S = ut + 1/2 at²

S = 1/2 at²

1.4 = 1/2 x 1.67 x t²

1.4 = 0.835 x t²

t = 1.29 seconds

Therefore, the total time taken by the feather to fall to the surface of moon will be 1.29 seconds.

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The kinematic equation should you use if you are trying to solve for time, but do not know displacement is v[f] = v[o] + at.

Kinematics is the branch of mechanics concerned with the motion of objects without reference to the forces which cause the motion.

Given are the equations of motion.

If the displacement is not given, then we can solve for time using the first equation of motion given by -

v[f] = v[o] + at

In this equation, there is no term involving displacement. We can solve for time as follows -

v[f] = v[o] + at

v[f] - v[o] = at

t = (v[f] - v[o])/a

Therefore, the kinematic equation should you use if you are trying to solve for time, but do not know displacement is v[f] = v[o] + at.

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Mass of air that escapes the tank is M =2.8075 kg and  the amount of heat transferred to the tank is Q = 1008.942 kj

In physics, mass is a numerical representation of inertia, which is a basic characteristic of all matter. The resistance a body of matter offers to a change in its speed or location as a result of the application of a force is what it is in essence. The change a force applies produces a change that is smaller the more mass a body has. The kilogramme, which is defined in terms of Planck's constant as equal to 6.62607015 1034 joule second, is the unit of mass in the International System of Units (SI). One kilogramme times one square metre per second squared is equivalent to one joule. Accurate measurements of Planck's constant are used to determine the kilogramme since the second and the metre are already defined in terms of other physical constants.When a body breaks up into fragments, the mass also breaks up into bits, thus the total mass of all the pieces equals the original mass.

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Water has the highest specific heat capacity.

The specific heat capacity is measured in J/(kg K) or J/(kg °C), and it is the amount of heat (J) absorbed per unit mass (kg) of the material when its temperature rises by 1 K (or 1 °C).

Applications of water with highest specific heat capacity​ are:

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Answer:

See below

Explanation:

CALCULATED volume from their measurements:

5.08 X 5.09 X 5.10 = 131. 9   cm^3

( I think you my have the "The actual volume of the block was 15.3 cm3" incorrectly posted)

(131.9 - 15.3) / 15.3     x 100 % =  762 %  error !!!!!

The electric force between the two charges is 1.6 x 10¹⁶ N  and it attractive.

The electric force between the charges is determined by applying Coulomb's law of electrostatic force as shown below.

F = kq₁q₂/r²

where;

F = (9 x 10⁹ x 200 x 800) / (0.3²)

F = 1.6 x 10¹⁶ N

Thus, the electric force between the two charges is 1.6 x 10¹⁶ N  and it attractive.

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An artificial satellite can be called a celestial body as it orbits around a planet.

Objects in space such as the sun, moon, planets, and stars are known as celestial bodies or heavenly bodies. Satellites are revolving bodies that orbit planets. They are the fundamental component of celestial bodies. These could be transmitted by humans or be of natural origin.

The moon orbits the earth as a natural satellite because it is held in place by the gravity of the planet. Additionally, man has positioned artificial or man-made satellites in orbit around the earth and other planets for communication and scientific research.

As a artificial satellite also orbits around a natural celestial body, it can be called as a celestial body.

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The situation provided to us is a metaphor for Newton's first law of motion.

Newton's law of motion consists of three laws for the motion of a body, Where Newton's first law of motion states that An object at rest remains at rest, and an object in motion remains in movement at a steady speed and in a straight line unless acted on by an unequal force. Newton’s first law states that each object will stay at rest or in uniform motion in a straight line unless compelled to alter its state by the action of an outside drive. This tendency to stand up to changes in a state of motion is inertia. On the off chance that all the outside strengths cancel each other out, then there's no net drive acting on the object. In case there's no net constraint acting on the object, at that point the object will keep up a consistent speed.

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120 centimeters per second, is the wave speed or wave velocity.

Wave velocity is the amount of distance a wave travels in one unit of time. The rate at which a particle disturbance like a crest or trough or compression or rarefaction spreads in a medium is known as the particle's propagation speed.

Given,

Amplitude (A) = 2cm,

Frequency (f) = 12hz,

Time period [tex]T=\frac{1}{f} =\frac{1}{12} s[/tex]

The horizontal distance between the closest peak or trough, respectively, is referred to as the wavelength. A crest's distance from the closest tough was specified. The distance between a crest and the closest crest is therefore two times that distance.

This is the wave length :

λ=(2)(5)

=10cm

The wave velocity or wave speed is given by:

v = λf

v=(10)(12)

=120 cm/s

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Answer:

Vx = 53 m / 4 sec = 13.25 m/s       horizontal speed

Vy = 2 sec* 9.80 m/sec^2 = 19.6 m/s      vertical speed

V = (13.25^2 + 19.6^2)^1/2 = 23.7 m/s

Check:

Range = V^2 sin 2θ / g

tan θ = 19.6 / 13.25 = 1.48     θ = 55.9 deg

R = 23.7^2 sin 112 deg / 9.8 = 53.1 m

The frequency of light  is 3.88x10^23Hz

E = 1.55 x J/ mol

E = hv

v = (1.55 x /1mol  x 1mol/6.023 x )/6.626 x 10^34

velocity = 3.88x10^23 s-1

since 1 Hz = 1/ s = 1

velocity =3.88x10^23 Hz

The portion of the electromagnetic spectrum contains the electromagnetic radiation that the human eye perceives as light or visible light. Visible light typically possesses wavelengths between 400 and 700 nanometers (nm) or frequencies between 750 and 420 terahertz, which are halfway between infrared and ultraviolet (with longer wavelengths) (with shorter wavelengths).

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Sample question: What is the frequency of light when the energy for a mole of photons is 1. 55 × 1013 j?.

Answer:486.1 J

Explanation:

Option a if no air resistance is present, during the fall there will be a decrease gravitational potential energy in the drives.

Resistance is the characteristic of an electric circuit or a component of an electric circuit that converts electrical energy into thermal energy when an electric current is present in the opposite direction. The current-carrying charged particles that make up the conductors' structure collide with fixed particles during resistance. Resistance is frequently thought of as being confined in objects like lamps, heaters, and resistors where it predominates, despite the fact that it is a property of all circuit components, including connecting wires and electric transmission lines. Resistance is the degree to which a substance obstructs or opposes an electric current.  Consider the example of a person battling to go from one stop to another in a crowded market to better understand resistance.

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A time of "solar maximum" (or "solar max") is when the number of sunspots peaks, whereas a time of "solar minimum" is when they are few (or "solar min").

Every year, a different amount of sunspots are seen on the "surface" of the Sun. This cycle, which has an average duration of about eleven years, explains the rise and decline in sunspots counts. The "Sunspot Cycle" is the term used to describe the cyclical change in sunspot counts that was first observed in 1843 by German amateur astronomer Samuel Heinrich Schwabe. A time of "solar maximum" (or "solar max") is when the number of sunspots peaks, whereas a time of "solar minimum" is when they are few (or "solar min").

A recent sunspot cycle, for instance, lasted from the solar minimum in 1986, when 13 sunspots were observed, to the solar max in 1989, when more than 157 sunspots surfaced, and on to the subsequent solar minimum in 1996 (ten years after the solar minimum in 1986), when the number of sunspots had decreased to less than 9.

Through the course of the sunspot cycle, both the quantity and location of sunspots change. Sunspots typically start to emerge around a latitude of 15° closer to the equator as the solar cycle advances through solar max. Sunspots begin to appear relatively close to the solar equator, at about 7° North and South latitude, as the cycle comes to an end and solar min is once again approaching.

Around solar min, when sunspots of the current cycle are forming at low latitudes and sunspots of the next cycle are starting to form at high latitudes once more, there is frequently an overlap in this latitudinal migration tendency. Spörer's Law is the name given to the progressive equatorward drift of sunspots that occurs throughout the sunspot cycle and was originally observed in the early 1860s by the German astronomer Gustav Spörer and the Englishman Richard Christopher Carrington. Another English astronomer, Edward Walter Maunder, created the first "butterfly diagram" in 1904, which was a pictorial representation of this trend in sunspot migration.

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