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 ............. $\mathrm{m}$
$12.5$
$5$
$7.5$
$10$
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 ............. $\mathrm{m}$
$s = \frac{{{u^2}}}{{2\mu g}} = \frac{{10 \times 10}}{{2 \times 0.5 \times 10}} = 10\,m$
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