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## Homework Statement

The average flow rate in the Niagara River is 6.0 x 10^6 kg/s and the water drops 50 m over Niagara falls. If all this energy could be harnessed to generate hydroelectric efficiency at 90% efficiency, what would be the electric power output?

## Homework Equations

P=mgh

## The Attempt at a Solution

I did

(6.0 x 10^6 kg/s) (9.8 m/s^2) (50m) (.9)

= 2.65 x 10^9 kg*m^2/s^3

I think I did the math right? But am unsure of the units.

Is this the answer? Or should my answer be in watts?

If so how would I get this number to watts?