A ball with a mass of $1.2\,\text{kg}$ is moving horizontally at $3.0\,\text{m s}^{-1}$. It strikes a cushion and then stops after covering a horizontal distance of $0.020\,\text{m}$. What work is done by the cushion on the ball in order to bring the ball to rest?
- A$0.24\,\text{J}$
- B$1.8\,\text{J}$
- C$5.4\,\text{J}$
- D$11\,\text{J}$