Question

33. A body of mass 2m moving with an unknown speed
V, along x-axis and second body of mass m moving
along y-axis with speed 10/3 m/s, collides at origin
and stick to each other such that the combined mass
moves at 60° with x-axis. The initial speed of mass
2m is
(1) 10 m/s
(2) 10/3 m/s
(3) 5 m/s
(4) 5/3 m/s.​

Answer 1

Answer:

along y-axis with speed 10/3 m/s, collides at origin