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← JEE Main 2022 · 29 Jul · Shift 2
PhysicsSingle correct+4 / -1Question 45 of 90

JEE Main 2022 · 29 Jul · Shift 2, Physics question 45

If momentum of a body is increased by 20%, then its kinetic energy increases by

Choose one option
Answer and worked solution

Official answer: C

KE ∝ p². 1.22=1.441.2^2=1.44: up 44%.

(C)

Topics:Work-energy theorem
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