Physics - Center of Mass Question with Solution | TestHub
PhysicsCenter of MassMomentum conservationMedium3 minQB
PhysicsMediuminteger
A ball of mass 0.2 kg is dropped onto a floor from a certain height. The collision is perfectly elastic and the ball rebounds to the same height and again falls. Find the average force exerted by the ball on the floor during long time interval in newton.
Answer:
2
Solution:
Answer: 2. Over a complete cycle between floor impacts, the elastic bounce reverses the vertical momentum. The impulse and cycle time give the long-time mean force:
Stream:JEESubject:PhysicsTopic:Center of MassSubtopic:Momentum conservation
⏱ 3mℹ️ Source: QB
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