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Force and Laws of Motion
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28/10/2021 7:51 pm
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Calculate the momentum of the following:
(a) an elephant of mass 2000 kg moving at 5 m/s
(b) a bullet of mass 0.02 kg moving at 400 m/s
1 Answer
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28/10/2021 7:52 pm
(a) Mass of elephant = 2000kg
Velocity = 5 m/s
Momentum = 2000 x 5
= 10000 kg.m/s
(b) Mass of bullet = 0.02 kg
Velocity = 400 m/s
Momentum = 0.02 x 400
= 8 kg.m/s