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Physics 9 Online
OpenStudy (anonymous):

a plank of mass 10 kg rests on a smooth horizontal surface.two blocks A and B of masses 2 kg and 1 kg respectively lie at a distance of 3m .the friction coefficient between the block A nd the plank is 0.3 , nd 0.1 b/w the plank nd block B. a force of 15 N is applied on d plank in d horizontal direction, find the time (in sec)after which the block A collides with block B.

OpenStudy (anonymous):

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