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September 16, 2014

Homework Help: physics- MC QUESTION!

Posted by katie on Wednesday, May 30, 2012 at 2:26am.

Question:
A particle is initially traveling to the right when it hits a wall and turns around to the left. The momentum after the collision is less than the initial momentum.

a-the impulse on the particle is to the right
b-the impulse on the particle is to the left
c-there is no impulse on the particle
d-none of the above

Question: When a particle hits the ground and comes to rest, the direction of the total impulse is

a-up
b-down
c-the total impulse is zero, as the particle stops
d-none of the above

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