A trolley is moving with a velocity of 20 m/s.the mass of trolley is 100.8 kg.an apple of mass 0.2 kg is moving with a velocity of 5 m/s.the apple fall on the trolley.what is the final velocity of apple-trolley together?
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use momentum conservation.
Get initial momentum and final momentum and then equalise it.
Get initial momentum and final momentum and then equalise it.
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Answer:
19.97 m/s or 20 m/s
Explanation:
above answer is correct
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