1.

A light and a heavy body have equal momentum, which one has greater kinetic energy

Answer»

momentum :- M1V1= m2v2 ..........(a)Explanation:now,,,,,KEnergy = 1/2 mso....    KE ∝ Velocity ALSO from (a) :---- momentum = mvmomentum is EQUAL which means M ∝ 1/V SO,,, M↑ ∝ V↓ ∝ KE ↓ ( MOMENTUM = CONSTANT )



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