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A sufficiently long plane of mass 4kg is...

A sufficiently long plane of mass `4kg` is placed on a smooth horizontal surfaces A small block of mass `2kg` is placed over the plank and is beging acted upon by a time verying horizontal force `F = (0.5t)` where f is in newton and t is in second as shown in figure .The coefficient of friction slipping the plank and the block is given is `mu_(s) = mu_(k) = m`u time `t = 12s` the relative slipping between the plank and the block is just likely to accor

The acceleration a versus time l graph for the and the block shown in figure below is correctely represented in

A

B

C

D

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The correct Answer is:
a
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A sufficiently long plane of mass 4kg is placed on a smooth horizontal surfaces A small block of mass 2kg is placed over the plank and is being acted upon by a time varying horizontal force F = (0.5t) where F is in newton and t is in second as shown in figure. The coefficient of friction slipping the plank and the block is given is mu_(s) = mu_(k) = mu , at time t = 12s the relative slipping between the plank and the block is just likely to occur The coefficient of friction mu is equal to

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CENGAGE PHYSICS ENGLISH-NEWTON'S LAWS OF MOTION 2-Linked Comprehension
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