Physics

Problem

A cricket ball of mass 0.15 kg is bowled with speed 30 m/s. Which option gives the correct pair (momentum, kinetic energy)? a)

4.5\ \text{kg m s}^{-1};\; 33.8\ \text{J}

4.5\ \text{kg m s}^{-1};\; 67.5\ \text{J}

2.25\ \text{kg m s}^{-1};\; 67.5\ \text{J}

4.5\ \text{kg m s}^{-1};\; 135\ \text{J}