Question

what is the kinetic energy of a ball of mass 500g and moving at speed of 2m/s?

Answer 1

Here is your answer.....

Mass = 500g = 0.5 kg
Velocity = 2 m/s

Kinetic Energy = 1/2 mv^2
= 1/2 × 0.5 × 2 × 2
= 1 J

I hope it helps you ^_^