JEE Main Physics question
The momentum of a body increases by 20%. The percentage increase in its kinetic energy is
Answer: (B)
Solution
K ∝ p². If p′ = 1.2p, K′ = 1.44K, an increase of 44%.
The momentum of a body increases by 20%. The percentage increase in its kinetic energy is
K ∝ p². If p′ = 1.2p, K′ = 1.44K, an increase of 44%.