Question

.K. E. of a body of mass 2kg is 16J.What is the momentum ​

Answer 1

Explanation:

mass - 2kg

energy - 16J

K.e - ½mv²

16J = ½ * 2 * v²

16 * 2/2 = v²

16 = v²

√16 = v

v = 4m/s

Then

Momentum = mv

= 2 * 4

= 8 kgm/s