A ball of mass 100 g is moving with a velocity of 3 m/s towards east. – McqOptions

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1.	A ball of mass 100 g is moving with a velocity of 3 m/s towards east. A cube of mass 200 gram is moving towards west with a velocity of 7 m/s. If the collision is perfectly elastic, what is the magnitude of the final momentum of the system in Kg-m/s?
A.	1700
B.	1500
C.	1300
D.	1100
Answer» E.

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