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Q. |
If a surface is elastically hit by N balls each of mass M, moving with same velocity V, the force on the surface will be |
A. | 2 MNV2 |
B. | MNV |
C. | Pulsejet |
D. | 2 MNV |
E. | 4 MNV |
Answer» D. 2 MNV |
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