4 93 Three identical discs A B and C rest on a smooth horizontal plane as shown in figure 4 151 The disc A is set in motion with

Question

4 93 Three identical discs A B and C rest on a smooth horizontal plane as shown in figure 4 151 The disc A is set in motion with velocity v along the perpendicular bisector of the line BC joining the centres of the stationary discs The distance BC between the centres of stationary discs B and C is n times the diameter of each disc At what value of n will the disc A recoil Stop and move on after elastic collision Figure 4 151 Ans n 2 n 2 n 21 B I 1 1 1 1 nd C

Kunduz · Accepted Answer

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