Question

a motorcycle of mass 100kg is moving on the straight line with the velocity 20m/s. Calculate it's kinetic energy.

Answer 1

Explanation:

1/2 mv^2

m= 100 kg

v= 20m/s

50×20^2

50× 400

20000j

Answer 2

Explanation:

kinetic energy=1/2×mv^2

=1/2×100×20×20

=20000m/s