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If a 1044 kg car, moving at 8 m/s north, hits and sticks to a 1847 kg truck, moving at 5 m/s south, and they
If a 1044 kg car, moving at 8 m/s north, hits and sticks to a 1847 kg truck, moving at 5 m/s south, and they travel off together at the same speed, find that speed. Hint: here the masses are moving in opposite directions, so the velocities should have opposite signs. Call North positive and South negative. Use the "hit and stick" or inelastic formula Also, a positive answer would indicate motion to the north and a negative answer would show southward motion - leave positive/negative in your
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