Question

A man of mass 72kg is moving at a constant velocity. he has kinetic energy of 12961.calculatea his velocity.

Answer 1

K.E. = 1/2 * m * v^2

12961 = 1/2 * 72 * v^2

Answer 2

i need this answer of this question an athelete of mas 70kg runs at a velocity of 72kg per hour.. solve it now