Question

Kinetic energy = m × g × h . State the statement true or false.​

Answer 1

True !!

The kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four. The kinetic energy is dependent upon the square of the speed.

That is KE∝v

2

.

In the other way, when the kinetic energy is doubled, the velocity is square rooted, That is,

2

times the velocity.

Hence, the statement is true.

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