1 Answers
Samarth Kashyap
·2009-06-17 20:21:41
va=nu
vb=u
vc=v
1/2mva2=mg(2r) + 1/2mvb2.....(1)
1/2mv2 + mgr = 1/2mva2.......(2)
solving for v, v =
option (B)