Physics

Physics

Problem

Object P has mass 3 kg3\,\text{kg} and moves with a speed of 4 m s−14\,\text{m}\,\text{s}^{-1}. Object Q has mass 1 kg1\,\text{kg} and moves with a speed of 8 m s−18\,\text{m}\,\text{s}^{-1}. Without performing detailed calculations, identify which object possesses the greater kinetic energy and give one brief reason for your choice.

Browse the problem library