Physics · Work, Energy and Power
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?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It transfers its entire kinetic energy and stops at position B✓
- 2To the same height at position A
- 3To half the height as that of position A on the other side along the same trajectory
- 4To the same height as that of position A on the other side along the same trajectory
Correct answer
It transfers its entire kinetic energy and stops at position B
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