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September 19, 2014

Homework Help: physics

Posted by Anonymous on Monday, November 12, 2012 at 9:24pm.

A 2,000-kg car moving east at 10.0 m/s collides with a 3,000-kg car moving north. The cars stick together and move as a unit after the collision, at an angle of 39.0 north of east and at a speed of 5.15 m/s. Find the speed of the 3,000-kg car before the collision.

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