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100 Hz wave with an average power 40W and amplitude 1.5cm travels on a 4m long...

100 Hz wave with an average power 40W and amplitude 1.5cm travels on a 4m long string. The tension in the string is 60N. Determine the frequency when tension in string is 50N and amplitude and power remain constant.
A. 105 Hz
B. 105.70 Hz
C. 104.66 Hz
D. 118.3 Hz
E. 97.70 Hz

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