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The tension in a vibrating string is 15 Newtons with a frequency of 110 Hertz.

What amplitude must the string have in order for the average power to be 0.5 Watts? The mass and length of the string is 0.3 grams and 80 centimeters respectively.

A

2.0 mm

B

8.8 mm

C

1.7 mm

D

5.3 mm

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