Laws Of Motion Question 125

Question: A body is moving along a rough horizontal surface with an initial velocity 6m/s. If the body comes to rest after travelling 9 m, then the coefficient of sliding friction will be [BCECE 2004]

Options:

A)0.4

B)0.2

C)0.6

D)0.8

Show Answer

Answer:

Correct Answer: B

Solution:

We know s=u22μ g

μ=u22gs=(6)22×10×9=0.2



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