1.

Find the power of an engine which can draw a train of 400 metric ton up the inclined plane of 1 in 98 at the rate of 10 ms^(-1). The resistance due to friction acting on the train is 10N per ton.

Answer»

`350 kW`
`400 kW`
`440 kW`
`500 kW`

ANSWER :C


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