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in Physics by (78.5k points)
Two pendulum bobs of unequal mass are suspended from the same fixed point by strings of equal length. The lighter bob is drawn aside and then released so that it collides with the other bob on reaching the vertical position. The collision is elastic. What quantities are conserved in the collision?

A. Both kinetic energy and angular momentum of the system

B. Only kinetic energy

C. Only angular momentum

D. Angular speed of lighter bob

E. None of the above

1 Answer

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by (95.2k points)
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Best answer

A. Both kinetic energy and angular momentum of the system

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