A diesel engine that weighs as much as four times more than a freight car. The diesel engine coasts at 5km/h into a freigt car that is intially at rest. Use the conservation of momentum to show that after they couple together, the two coast at 4km/h.
Tags: 5km/h, after, coasts, couple, deisel, Diesel, Engine, Four, Freight, More, than, They, times, together, weighs
The diesel engine slams into the car and then all the cars slam into each
other. . . however conserative throzzle nozzle motion effect in reverse will
nuetralize the overall effect.
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