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7.	When a massive body collides against a light body at rest?
	A.	The light body starts moving
	B.	The light body rebounds
	C.	The velocity of the bodies get exchanged
	D.	The massive body comes to rest

	Answer: Option A


	Explanation:
	When a massive body collides against a light body at rest, the velocity of the massive body remains almost unchanged while the light body starts moving with a velocity wise the velocity of the massive body.



	Tutorial Link:

Published by:Michael Daani

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