Question

. A body of weight 50 N is hauled along a rough horizontal plane by a pull of 18 N acting at an angle of 14° with the horizontal. Find the coefficient of friction.

Answer 1

Explanation:

A 1.5kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of the x-axis is applied to the block. The force is given by

F

=(4−x

2

)

i

^

N, where x is in meter and the initial position of the block is x=0.The maximum kinetic energy of the block between x=0 and x=2.0 m is

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