Question

A moving body of mass 0.3 kg has 60 J of kinetic energy. Calculate the speed of the body.​

Answer 1

Answer:

20 m/s

Explanation:

m = 0.3 k.g.

K.E. = 60 J

K.E. = 1/2 mv^2

=> 60 = 1/2 × 0.3 × v^2

=> 120/0.3 = v^2

=> 400 = v^2

=> v = 20 m/s