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

Algebra ->  College  -> Linear Algebra -> 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      Log On


   

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(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
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.