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March 2, 2015

March 2, 2015

Posted by **LadyJ** on Thursday, December 1, 2011 at 2:22pm.

(a) If the velocity of the 0.500 kg sphere after the collision is (-1.00i + 3.00j - 8.00k) m/s, find the velocity of the 1.50 kg sphere and identify the kind of collision (elastic, inelastic, or perfectly inelastic).

(0 i+__ j +___ k)m/s

This is a perfectly inelastic collision.

(b) If the velocity of the 0.500 kg sphere after the collision is (-0.250i + 0.625j - 1.85k) m/s, find the final velocity of the 1.50 kg sphere and identify the kind of collision.

(__ i+__ j +___ k)m/s

This is a perfectly inelastic collision.

(c) What if? If the velocity of the 0.500 kg sphere after the collision is (-1.00i + 2.50j + a k) m/s, find the value of a and the velocity of the 1.50 kg sphere after an elastic collision. (Two values of a are possible, a negative value and a positive value. Report each with their corresponding final velocities.)

a (positive value) __________m/s^2 v2f = ________ k m/s

a (negative value) __________ m/s^ v2f = ________ k m/s

- General Physics -
**Anonymous**, Saturday, April 20, 2013 at 4:48pm42

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