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August 21, 2014

Homework Help: PHYSICS

Posted by EM on Friday, February 18, 2011 at 8:56am.

1....How much force needed to bring a 3200 lb car from rest to a velocity of 44 m/s in 8 sec.?
2....A ball with a mass of 2 kg move to the right with a speed of 2 m/s. It hits a ball of mass 0.50 kg which is at rest. After collision the second ball moves to the right with a speed of 1 m/s. What happens to the first ball?...Suppose that the 2 balls stick together moves as one after collision, what is their final velocity?

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