1. The potential energy of mass m at a distance r from a fixed point O is given
by V(r)= kr? / 2, where kis a positive
constant of appropriate dimensions.
This particle is moving in a circular
orbit of radius R about the point 0. If v
is the speed of the particle and L is the
magnitude of its angular momentum
about 0, which of the following
statements is (are) true ?
(More than One Correct Option, 2018)
k
k.
(a) v =
R
(b) v =
R
V 2m
mk
(d) L =
R?
V 2
(c) L = Vmk R2​