Question

8. A body of mass 60 kg is moving with a speed
50 m s-1. Find its kinetic energy.​

Answer 1

Given

mass = 60kg

velocity = 50m/s

kinetic energy = mv^2/2= 60*50*50/2= 75000j

Answer 2

Answer:

1/2mv^2

1/2×60×50×50

30×50×50

7500J