Physics

Problem

A block has a kinetic energy of

98\,\text{J}

. Its mass is

2000\,\text{g}

. Calculate the speed of the block. a)

7\,\text{m/s}

9.8\,\text{m/s}

7\sqrt{2}\,\text{m/s}

4.95\,\text{m/s}