Year: 2016
Topic: Work, Energy, and Power
Time :
1. What is the minimum velocity with which a body of mass m must enter avertical loop of radius R so that can complete the loop?
(1). \(\sqrt{3gR}\)
(2). \(\sqrt{5gR}\)
(3). \(\sqrt{gR}\)
(4). \(\sqrt{2gR}\)