A train of mass 400 tons climbs up an incline of 1//49 at the rate of 36kmh^(-1) . The force of friction is4kg' at per ton. Find the power of the engine.

A train of mass 400 tons climbs up an incline of 1//49 at the rate of

1.	A train of mass 400 tons climbs up an incline of 1//49 at the rate of 36kmh^(-1) . The force of friction is4kg' at per ton. Find the power of the engine.
Answer» SOLUTION :F=Frictional FORCE `+` `mgsintheta=(4xx9.8)xx400xx10^(3)+80000=95680`. `P=Fxxv=95680xx10W`