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प्रश्न
A car of mass 600 kg is moving with a speed of 10 ms-1 while a scooter of mass 80 kg us moving with a speed of 50 ms-1. Compare their momentum.
उत्तर
Mass of the car, M = 600 kg
Mass of the scooter m = 80 kg
Velocity of car, v = 10 m/s
Velocity of scooter = 50 m/s.
We know that
Momentum = mass x velocity
`"momentum of car"/"momentum of scooter" = "MV"/"mv" = ((600)(10))/((80)(50)) = 3/2`
Thus the required ratio is 3 : 2
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