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The voltage of an audio speaker can be represented by V=3 √P, where P is the power of the speaker. An engineer wants to design a speaker with 225 watts of power. What will the voltage be?

Answer :

We are given the model for the voltage,

[tex]V=3\sqrt[]{P}[/tex]

This depicts the relationship between the voltage, V and the power, P.

This way, we can find the value for one variable given the other.

Given power of 225 watts, we can find V.

[tex]V=3\sqrt[]{225}=3\times15=45V[/tex]

Voltage = 45V

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