Rotation 5 Question 10
20. The potential energy of mass at a distance from a fixed point is given by , where is a positive constant of appropriate dimensions. This particle is moving in a circular orbit of radius about the point . If is the speed of the particle and is the magnitude of its angular momentum about , which of the following statements is (are) true?
(a)
(b)
(c)
(d)
(2018 Adv.)
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Answer:
Correct Answer: 20. (b,c)
Solution: