Physics

Problem

0.5\,\text{kg}

ball is at a height of

8\,\text{m}

above the ground and is moving at

4\,\text{m/s}

. Ignoring air resistance, find its speed when it reaches a height of

3\,\text{m}

. Take

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

. a)

10\,\text{m/s}

11\,\text{m/s}

13.3\,\text{m/s}

12\,\text{m/s}