Two bodies move on a smooth horizontal surface as described below:

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Two bodies move on a smooth horizontal surface as described below: (i) Body A has a mass of

2\,\text{kg}

and moves with a speed of

5\,\text{m/s}

. Body B has a mass of

5\,\text{kg}

and moves with a speed of

3\,\text{m/s}

. Calculate the kinetic energy of each body. (ii) Identify which body possesses greater kinetic energy and state by what factor it exceeds the other.