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kumpel [21]
3 years ago
15

11) A ball is dropped from the roof to the floor. Its' atoms start vibrating faster.in terms

Physics
1 answer:
Ostrovityanka [42]3 years ago
5 0

Explanation:

In terms of heat, we can say the dropped ball gained more heat as the potential energy changes to kinetic energy.

Thermal energy is a form of kinetic energy formed as a result of the movement of the particles of a medium.

As the ball falls through the height, it collides with the ground frictional heating between air and the ball, and that of the ball and the surface causes the change in temperature after the collision.

In terms of heat, the ball has transformed kinetic energy into frictional heating after collision causing an increase in temperature after collision.

        Potential energy to kinetic energy to heat energy

learn more:

Thermal energy brainly.com/question/914750

#learnwithBrainly

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Imagine that you are driving in your car with a heavy bag of groceries on the front seat and you slam on your brakes to stop. Th
Alexxx [7]

Answer:

The correct answer is inertia.

Explanation:

The heavy bag of groceries is initially within the inertia frame of the car. This indicates that the heavy bag acquires the same speed as the car.

When the car stops, the heavy bag continues to move forward with the speed it had due to the principle of inertia, which states the property that the bodies cannot modify by themselves the state of rest or movement in which they are.

Have a nice day!

8 0
3 years ago
The concept of critical density is just like the idea of escape velocity for a projectile launched from the earth. An object lau
ikadub [295]

Answer:

v = √ 2 G M/ R_{e}

Explanation:

To find the escape velocity we can use the concept of mechanical energy, where the initial point is the surface of the earth and the end point is at the maximum distance from the projectile to the Earth.

Initial

        Em₀ = K + U₀

Final

        Em_{f} =  U_{f}

The kinetic energy is k = ½ m v²

The gravitational potential energy is U = - G m M / r

r is the distance measured from the center of the Earth

How energy is conserved

       Em₀ =  Em_{f}

       ½ mv² - GmM / R_{e} = -GmM / r

       v² = 2 G M (1 /  R_{e} – 1 / r)

       v = √ 2GM (1 / R_{e} – 1 / r)

The escape velocity is that necessary to take the rocket to an infinite distance (r = ∞), whereby 1 /∞ = 0

        v = √ 2GM /  R_{e}

5 0
3 years ago
While running around the track at school, Milt notices that he runs due East in the 100m homestretch and due West on the 100m ba
Sergeeva-Olga [200]

They have equal magnitudes and opposite directions.

5 0
3 years ago
Read 2 more answers
Which of these pairs of atoms are isotpoes? (Physical Science) Pair A Pair B Pair C # protons 6 8 5 2 12 12 # neutrons 8 8 5 3 1
Aleksandr-060686 [28]

Answer:

I guess that the atoms are:

Protons:     6     8    5    2    12    12

Neutrons:  8     8     5   3     13    14

Now, two atoms are isotopes if they share the same number of protons (so both atoms are the same element) but they have a different number of neutrons.

From the given options, the only two that have the same number of protons but a different number of neutrons are:

Protons 12, neutrons 13

and

Protons 12, neutrons 14.

These two are isiotopes.

4 0
3 years ago
I WILL GET BRAINLIEST PLS HELP A student attempts to push a box across the floor. The student decides to create a free-body diag
MissTica

Answer: The gravitational

Explanation: The student is pushing the box so u have to have gravitational force so it could move

5 0
2 years ago
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