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Which of the following happens to a molecule of an object when the object is heated?
It moves slower.
It’s size decreases.
It gains kinetic energy.
It’s temperature decreases.

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Answer:
It gains kinetic energy

Explanation:
When something is heated, it’s molecules move faster, like a liquid’s molecules. Since the molecules vibrate faster when it’s heated and kinetic energy is which a body possesses by virtue of being in motion. Therefore, the answer is it gains kinetic energy

When the object is heated the molecules of an object gains kinetic energy, therefore option (c) is correct .

What do you mean by the kinetic energy ?

Kinetic energy of an object is the measure of the work an object can do by virtue of its motion. Kinetic energy is a scalar quantity, and it is entirely described by magnitude alone.

So, the SI unit of kinetic energy is Joule (J) .

The most important characteristic of kinetic energy  is that it can be stored.

It is given by the following formula -

Kinetic Energy: K=1/2mv²

When the object is heated the molecules of an object gains kinetic energy, hence option (c) is correct .

Learn more about kinetic energy ,here:

https://brainly.com/question/12669551

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