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Question

A block 'A' of mass  2 kg rests on a rough horizontal plank , the coefficient of friction between he plank and the block = 0,2 . If the plank is pulled horizontally with a constant acceleration of 3.96 m/`s^2`. The distance moved in metre by the block on the plank in 5 second after starting from rest is.


Options:
A .  25
B .  25 x 0.98
C .  25 x 1.98
D .  0
Answer: Option A



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