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1. |
A ball is dropped from a height of 15 m above a metal platform. The ball strikes the platform and rebounds successively. The height of rebound after the first rebound is:(Coefficient of restitution can be taken as 0.8) |
A. | 8.44 m |
B. | 4.75 m |
C. | 2.67 m |
D. | 9.6 m |
Answer» E. | |