Question

what is the momentum of body of mass 100g having a K.E . of 20j

Answer 1

Kinetic energy (K) and momentum (p) are related as

K = p²/(2m)

p = √(2Km)
= √(2 × 20 J × 0.1 kg)
= 2 kg m/s

∴ Momentum of body is 2 kg m/s

Answer 2

Answer:

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