Question

calculate the kinetic energy of a body of nass 20kg moving with velocity of 0.1m/s

Answer 1

m = 20 kg

v = 0.1 m/s

kinetic energy = 1/2 × m × v^2

= 1/2 × 20 × ( 0.1 )^2

= 10 × 0.01

= 0.1

so kinetic energy is 0.1 J