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Physics
Physics
Problem
A cubic block of mass
m
m
m
is sliding down on an inclined plane at
60
∘
60^\circ
6
0
∘
with an acceleration of
g
2
\frac{g}{2}
2
g
, the value of coefficient of kinetic friction is A
3
2
\frac{\sqrt{3}}{2}
2
3
B
2
3
\frac{\sqrt{2}}{3}
3
2
C
1
−
3
2
1 - \frac{\sqrt{3}}{2}
1
−
2
3
D
3
−
1
\sqrt{3} - 1
3
−
1
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