SOLUTION: A truck of mass 20kg moving at 5m/s overtakes another truck of mass 15kg moving at 3m/s. If the first truck reduces its speed to 45m/s, find the speed of the second truck and the l

Question 1132137: A truck of mass 20kg moving at 5m/s overtakes another truck of mass 15kg moving at 3m/s. If the first truck reduces its speed to 45m/s, find the speed of the second truck and the loss in energy of the system.

Answer by ikleyn(52777) (Show Source): You can put this solution on YOUR website!
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As it is worded, presented and accompanied with the numbers, the post (the problem formulation) makes no sense.

    The first truck is moving at 5m/s,  and then reduces its speed to 45m/s"  is nonsense.

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