Homework Help: Physics

Posted by Jen on Wednesday, November 24, 2010 at 3:24pm.

A 14000 N automobile travels at a speed of 50 km/h northward along a street, and a 7500 N sports car travels at a speed of 62 km/h eastward along an intersecting street.

(a) If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the velocity of the cars be immediately after the collision?

magnitude:
direction ° (counterclockwise from due east)

(b) What percentage of the initial kinetic energy will be lost in the collision?
%

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