Physics

Problem

2\,\text{kg}

block moving at

4\,\text{m\,s}^{-1}

collides with a stationary

3\,\text{kg}

block on a smooth horizontal table. The blocks stick together after impact. Calculate the loss of kinetic energy in the collision. a)

6.4\,\text{J}

13.44\,\text{J}

9.6\,\text{J}

10\,\text{J}