The potential energy of a particle of mass m at a distance r from a fixed point O is given by 
, where k is a positive constant of appropriate dimensions. This particle is moving in a circular orbit of radius R about the point O. If v is the speed of the particle and L is the magnitude of its angular momentum about O, which of the following statements is (are) true?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(b, c): Sol. U = 
⇒ 
⇒ v = 
Angular momentum L = mvR = 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A bob of mass M is suspended by a massless string of length L. The horizontal
velocity V at positio…
A ball of mass (m) 0.5 kg is attached to the end of a string having length (L) 0.5 m. The ball
is r…
Two identical discs of same radius R are rotating about their axes in opposite directions
with the …
A wire, which passes through the hole is a small bead, is bent in the form of quarter of a
circle. …
A bob of mass M is suspended by a massless string of length L. The horizontal
velocity V at positio…