Physics

Problem

0.5\,\text{kg}

ball is released from rest at a height of

2\,\text{m}

above the ground. Ignore air resistance and take

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

. What is its speed just before it strikes the ground? a)

9.8\,\text{m/s}

4.5\,\text{m/s}

6.3\,\text{m/s}

20\,\text{m/s}