Q: A metallic bob X of mass m is released from position A. It collides elastically with another identical bob Y placed at rest at position B on a horizontal frictionless table. The angle AOB is 30°. How high does the bob X rise immediately after the collision?
(a)To the same height as that of position A on the other side in the same trajectory
(b)To half the height as that of position A on the other side along the same trajectory
(c)The same height at position A
(d)It stops at position B
Correct Answer: (d)
The correct answer is (d): यह B स्थिति पर रुक जाता है. Subject: Indian Economy | Sub-topic: General