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A block of mass 2 kg rests on a rough ho...

A block of mass 2 kg rests on a rough horizontal plank , the coefficient of friction between the plank and block is `0.3`. If the plank is pulled horizontally with a constant acceleration of `4 m//s^(2)` , the distance moved by the block on the plank in 5 second starting from rest (in m) is : (Take g = `10 m//s^(2)`)

A

5

B

10

C

25

D

50

Text Solution

Verified by Experts

The correct Answer is:
C
`s = (1)/(2) at^(2)`
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GRB PUBLICATION-FRICTION AND CIRCULAR MOTION -OBJECTIVE QUESTIONS ( only one choice is correct )
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