If a 1419 kg car, moving at 6 m/s north, hits and sticks to a 2856 kg truck, moving at 9 m/s south, and they travel off

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If A 1419 Kg Car Moving At 6 M S North Hits And Sticks To A 2856 Kg Truck Moving At 9 M S South And They Travel Off 1 (23.75 KiB) Viewed 63 times

If a 1419 kg car, moving at 6 m/s north, hits and sticks to a 2856 kg truck, moving at 9 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 answer.