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Physics
Physics
Problem
A particle of mass 'm' describes a circle of radius (r). The centripetal acceleration of the particle is
4
r
2
\frac{4}{r^2}
r
2
4
. The momentum of the particle :- (1)
2
m
r
\frac{2m}{r}
r
2
m
(2)
2
m
r
\frac{2m}{\sqrt{r}}
r
2
m
(3)
4
m
r
\frac{4m}{r}
r
4
m
(4)
4
m
r
\frac{4m}{\sqrt{r}}
r
4
m
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