A) \[\frac{m{{\upsilon }^{2}}}{L-nr}\]
B) \[\frac{m{{\upsilon }^{2}}}{L-2nr}\]
C) \[\frac{m{{\upsilon }^{2}}}{2(L-nr)}\]
D) zero
Correct Answer: B
Solution :
[b] collisions are elastic and masses are equal, velocities of colliding particles get exchanged. |
in each collision with the supports |
Time interval between consecutive collisions with one support |
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