Q. A ball dropped from height bounces back to the same height. The collision is

ऊंचाई से गिराई गई गेंद वापस उसी ऊंचाई पर लौट आती है। टक्कर है

A
Inelastic
अलचकदार
B
Superelastic
सुपरइलास्टिक
C
Elastic
लोचदार
D
Partially elastic
आंशिक रूप से लोचदार

Explanation

If a ball bounces back to the same height, it regains all its kinetic energy after hitting the ground, meaning no energy is lost. This defines a perfectly elastic collision, where coefficient of restitution e=1e = 1

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