Question

At what speed a body of mass 24kg will have a kinetic energy of3 joule

Answer 1

Kinetic energy = 1/2 × m × v^2

Here , mass m = 24 kg and Kinetic energy = 3 J , we need to find speed v

3 = 1/2 × 24 × v^2

v^2 = 3/12

v^2 = 1/4

v = 1/2 m/s