1. A body P of mass 20 kg is moving with a velocity of 5ms. Another body Q of mass 5 kg is
moving with a velocity of 20 ms?. Calculate the ratio of momentum of P and Q.
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Explanation:
as the formula for momentum is P=mv.
soo for body p m=20kg and v=5ms
P1=20×5=100kgms
for body Q m=5kg v=20ms
P2=5×20=100
therefore P1:P2= 100:100=1:1
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