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Question: A cylinder of mass 10kg is sliding on a plane with an initial velocity of 10m/s. If coefficient of f...

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

A

12.5 m

B

5 m

C

7.5 m

D

10 m

Answer

10 m

Explanation

Solution

s=u22μg=10×102×0.5×10=10 ms = \frac { u ^ { 2 } } { 2 \mu g } = \frac { 10 \times 10 } { 2 \times 0.5 \times 10 } = 10 \mathrm {~m}