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A train of weight 10^(7)N is running on ...

A train of weight `10^(7)N` is running on a travel track with uniform speed of `36 km h^(-1)`. The frictional force is 0.5 kg f per quintal. If `g = 10 ms^(-2)`, power of engine is

A

`500 kW`

B

`50 kW`

C

`5 kW`

D

`0.5 kW`

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The correct Answer is:
A
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