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25-01-2024
Physics

contestada

A 121 cm long, 4.0 g string oscillates in its n=3 mode with a frequency of 180 Hz and a maximum amplitude of 5.0 mm. What is the tension in the string?
A. 21.0 N
B. 44.5 N
C. 69.7 N
D. 73.5 N
E. 85.6 N

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