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If the device produces 8.5 kw of power on a day when the waves are 1.4 m high, how many kilowatts will it produce when they are 0.625 m high?

Sagot :

The power generated by 1.4 m high waves is 1.69 kW.

We need to know about power to solve this problem. The power generated by waves can be determined as

P = 1/2 . μ . ω² . A² . v

where P is power, μ is the constant of wave media, ω is angular speed, A is amplitude and v is wave speed.

Power is proportional to amplitude squared. Hence

P ~ A²

From the question above, we know that

P1 = 8.5 kW

A1 = 1.4 m

A2 = 0.625 m

By using the ratio of power, we can write

P1 / P2 = A1² / A2²

8.5 / P2 = 1.4² / 0.625²

P = 1.69 kW

Find more on power at: https://brainly.com/question/25263760

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