A block slides down on incline of angle $30^o$ with an acceleration $\frac{g}{4}$. Find the coefficient of kinetic friction
A block slides down on incline of angle $30^o$ with an acceleration $\frac{g}{4}$. Find the coefficient of kinetic friction
- A
$\frac{1}{{\sqrt 3 }}$
- B
$\frac{2}{{\sqrt 3 }}$
- C
$\frac{1}{{2\sqrt 3 }}$
- D
None
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