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28. The masses of the blocks A and B are...

28. The masses of the blocks A and B are mand M. respectively. Between A and B there is a constant frictional force F. and B can slide frictionlessly on horizontal surface. A is set in motion with velocity while B is at rest. What is the distance moved by A relative to B before they move with the same Fig. 7.279 32 Fim-M 2 Fm-M) mM 2 F(m+M) Fm+M)

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