Question

If an object's velocity doubles, its kinetic energy will increase by factor of ______

Answer 1

Kinetic energy:

1. The energy possessed by a body due to its motion is called kinetic energy.
2. It is given as,

$KE=\frac{1}{2}m{v}^2$

Where 'm' is the mass of the body and ‘v is the velocity of the body.

The change in the kinetic energy of the object as the speed changes is proportional to the square of the factor by which the speed changes.

Thus, if an object's velocity doubles, its kinetic energy will increase by a factor of four.