Physics

Problem

0.5\,\text{kg}

ball is lifted from a height of

2\,\text{m}

to the top of a cupboard at

7\,\text{m}

. Taking

g = 10\,\text{m\,s}^{-2}

, what is the increase in its gravitational potential energy? a)

35\text{ J}

50\text{ J}

25\text{ J}

12.5\text{ J}