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Inelastic collisions in two dimensions: A 900-kg car traveling east at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. Assume that any other unbalanced forces are negligible.
(a) What is the speed of the wreckage just after the collision?
(b) In what direction does the wreckage move just after the collision?
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