help please.  If a 1467 kg car, moving at 9 m/s north, hits and sticks to a 2237 kg truck, moving at 10 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.

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help please. 

If a 1467 kg car, moving at 9 m/s north, hits and sticks to a 2237 kg truck, moving at 10 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.

 
Expert Solution
Step 1

Mass of car = 1467 kg 

Velocity of car = 9m/ s north 

Mass of truck = 2237 kg 

Velocity of truck = 10 m/ s south 

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