1.

. A sphere A moving with a speed .U. and rotating with an angualr velocity .o. makes head-on elastic collision with an identical stationary sphere. There is no friction between the surfacces A and B neglect gravity A will stop moving but continue to rotate with angular velocity.omega. A will come to rest and stop rotating B will move with speed .U. without rotating B will move with speed U and rotate with an angular velocity w.

Answer»

A & C
A & B
B & D
C&D

Answer :A


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