Question

A bowler during playing cricket throws a ball of mass 200g with a velocity of 20ms-1.what will be its kinetic energy

Answer 1

Answer:

40 J

Explanaton:

We know that

$\sf KE= \dfrac{1}{2}mv^2$

1 kg = 1000 g

200 g = 200/1000 =  0.2 kg

KE = 1/2 × 0.2 × (20)²

KE = 1/2 × 0.2 × 400

KE = 0.1 × 400

KE = 40

Kinetic energy is 40 J

Answer 2

answer for the given question