Question

45. A small bob of mass m is attached to one end of
a light rigid rod, of length 1 whose other end is
hinged so that it can rotate in vertical plane. The
minimum horizontal speed that must be imparted
to the bob (when the bob is vertically suspended)
such that the bob just completes circular path is
(1) 5g
(2) 4g/
(3) 2g/
(4) ogl​

Answer 1

Answer:

please mark as brainlist answer