Water flows over Niagara Falls at the average rate of 2,400,000 kg/s, and the average height of the falls is about 50 m. Knowing that the gravitational potential energy of falling water per second = mass (kg) × height (m) × gravity (9.8 m/s2), what is the power of Niagara Falls? How many 15 W LED light bulbs could it power?

Explanation:

It is given that,

Water flows over Niagara Falls at the average rate of 2,400,000 kg/s

The average height of the falls is 50 m

We need to find the power of Niagara Falls.

The gravitational potential energy of falling water is given by :

P = mgh

Power is rate of doing work i.e.

We have, m/t =  2,400,000 kg/s

So,

If the number of bulbs are n that could power 15 W LED, the,

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a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.