A heavy steel ball of mass greater than 1kg moving with a speed of 2 m/s collides head on with a stationary ping-pong ball of mass less than 0.1 gm. The collision is elactic. After the collision the ping pong ball moves approximately with speed of

A heavy steel ball of mass greater than 1kg moving with a speed of 2 m

1.	A heavy steel ball of mass greater than 1kg moving with a speed of 2 m/s collides head on with a stationary ping-pong ball of mass less than 0.1 gm. The collision is elactic. After the collision the ping pong ball moves approximately with speed of
Answer» 2 m/s 4 m/s `2 XX 10^(4)` m/s `2 xx 10^(3)` m/s Answer :B