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20 Nov 2019


1. A billiard ball moving at 5.00 m/s strikes a stationary ballofthe same mass. After the collision, the first ball moves at4.33m/s, at an angle of 30.0° with respect to the original lineofmotion. Assuming an elastic collision (and ignoring frictionandrotational motion), find the struck ball's velocity afterthecollision.



2.

A particle of mass m = 5.00 kg is released from point A andslideson the frictionless track shown in the Figure. Determine (a)theparticle's speed at points B and C and (b) the net work done bythegravitational force in moving the particle from A to C.

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Patrina Schowalter
Patrina SchowalterLv2
29 May 2019

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