lunastar390 lunastar390

06-02-2024
Physics

contestada

The speed of a wave on a string is 150 m/s when the tension is 120 N. The percentage increase in the tension in order to raise the wave speed by 20% is (round off answer to the nearest integer):

a) 67%
b) 80%
c) 100%
d) 133%

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