Question

The Kinetic energy (k)of a moving object varies jointly with it mass (m) and the square of its velocity (v).If an object has a mass of 22.5 kilograms and moving with a velocity of 20 meters per second has a kinetic energy of 4500 joules, find it kinetic energy when the velocity is 32 meters per second.

We must solve the problem using any method concept.

Answer 1

It will be (32/20)^2 = 2.56 times the kinetic energy at 20 m/s.

2.56 x 4500 = ____