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A vibrating source generates a harmonic wave on a string under constant tension. If the power...

A vibrating source generates a harmonic wave on a string under constant tension. If the power delivered to the string is doubled, by what factor does the speed change?

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Answer #1

Since tension is contant hence there is no change in speed.

Power dilivered is given by

P = K A^{2}v where K is proportinality constant. Doubling power will double A^2 but no change in speed v since there is no change in tension.

I will be glad to see your comment if you have any query and thumb up if you are satisfied. Thanks...

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