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Two frictionless carts (mass $=500$ g each) are sitting at rest on a perfectly level table. The teacher taps the release so that one cart pushes off the other. If one of the carts has a speed of 2 $\mathrm{m} / \mathrm{s}$ , then what is the final momentum of the system (in $\mathrm{kg} \cdot \mathrm{m} / \mathrm{s} ) ?$(A) $2,000$(B) $1,000$(C) 2(D) 0

Physics 101 Mechanics

Chapter 6

Linear Momentum

Moment, Impulse, and Collisions

Cornell University

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University of Winnipeg

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Lectures

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two cars each of months. 500 grand initially at rest. Yeah, on the smooth horizontal surface. If one has to be pushed big speed off who meet up for a second, we have to find the final momentum of the system since external force on the system is zero. Yeah, so initial momentum must be equal to final momentum. Initial momentum is zero, so final momentum will be also zero hence of Cindy's correct.

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