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777dan777 [17]
3 years ago
7

Water flows over the edge of a waterfall at a rate of 1.2 x 10^6 kg/s. There are 50.0 m between the top and bottom of the waterf

all. How much power is generated by the falling water by the time it reaches bottom?
Physics
2 answers:
anastassius [24]3 years ago
8 0

The power generated is about 588 \times 10^{8}Watt when the waterfall from the waterfall and reaches the bottom.

<u>Explanation:</u>

As per given question, the rate of water is 1.2 \times 10^{6} \mathrm{kg} / \mathrm{s}

From height (h) of 50m and acceleration due to gravity is 9.8 \mathrm{m} / \mathrm{s}^{2}

we know that Potential Energy, \mathrm{PE}=\mathrm{m} \times \mathrm{g} \times \mathrm{h}

The potential energy of 1.2 \times 10^{6} \mathrm{kg} (m) water for one second is written as

\mathrm{PE}=\mathrm{m} \times \mathrm{g} \times \mathrm{h}

\mathrm{PE}=\left(1.2 \times 10^{6}\right) \times 9.8 \times 50

\mathrm{PE}=588 \times 10^{6} \text { Joule }

But power output of 1 Watt = 1 Joule / second. So the power generated in the waterfall is 588 \times 10^{6} \mathrm{Watt}  or we can also write as 588 Mega Watts.

Anit [1.1K]3 years ago
4 0

Answer:

5.88×10⁸ W

Explanation:

Power = change in energy / time

P = mgh / t

P = (m/t) gh

P = (1.2×10⁶ kg/s) (9.8 m/s²) (50.0 m)

P = 5.88×10⁸ W

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