Question

g 13. how fast is a 500 g ball that has a kinetic energy of 4.0 j? a) 4.0 m/s b) 0.13 m/s c) 2.0 m/s d) 1.6 m/s e) 20 m/s

Answer 1

The measure of average kinetic energy of molecules is called tempreture.

What is kinetic energy?

Kinetic energy is a form of energy that an particle has by reason of it's motion.

If we want to accelerate an object then we must apply a force .

The average kinetic energy of all the molecule assumed to be directly proportional to the absolute tempreture of the gas.

The Kelvin tempreture of a substance is directly proportional to the average kinetic energy of the particles of the substance.

This is the reason why measure of the average kinetic energy of the molecule of a material called tempreture.

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