Question

body of mass 45 kg is moving with a speed of 90 m/s. Find its kinetic energy?​

Answer 1

K.E. =1/2mv² , where m = 45 kɡ , v = 90 m/s

= 1/2 × ( 45kɡ × 90 m/s)

= 1/2 × 4050 Joule

= 2025 Joule