First slide

Friction

Question

A cylinder of mass 10 kg is sliding on a plane with an initial velocity of 10 m/s. If coefficient of friction between surface and cylinder is 0.5, then before stopping it will describe

Moderate

A

12.5 m
B

5 m
C

7.5 m
D

10 m

Solution

$s = \frac{u^{2}}{2 μg} = \frac{10 \times 10}{2 \times 0 .5 \times 10} = 10 m$

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