A block has a kinetic energy of

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

98\,\text{J}

. Its mass is

2000\,\text{g}

. Calculate the speed of the block. (a)

7\,\text{m/s}

(b)

9.8\,\text{m/s}

(c)

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

(d)

4.95\,\text{m/s}