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In: Physics

Mass M moves to the right with speed =v along a frictionless horizontal surface and crashes...

Mass M moves to the right with speed =v along a frictionless horizontal surface and crashes into an equal mass M initially at rest. Upon colliding, the two masses stick together and move with speed V to the right. Notice that v and V denote different speeds.  After the collision the magnitude of the momentum of the system is:

(pick all correct answers)

2 M V

M V

0

2 M v

M v

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