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A 121-cm-long, 4.00 g string oscillates in its n = 6 mode with a frequency of...

A 121-cm-long, 4.00 g string oscillates in its n = 6 mode with a frequency of 180 Hz and a maximum amplitude of 5.00 mm. Find (a) the wavelength of 1st, 2nd, and 3rd harmonic; (b) the frequency of 1st, 2nd, and 3rd harmonic; (c) the speed of the wave in the string; (d) the tension in the string. Hint: Draw pictures of the first three harmonics!

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Answer #1

121cm. A+++ & = 12lche SA = 121 cm [ 48.4cm] D=Ž V=D valdox 48.4 [V: 07120m/s] [= 87.12.05] 9) 784 harmonic A = L = (^,- >> (언 - 아다 07.12 2·42 236E 모 812 1 1 72HE (21 oM 10212 1) יר 가리 스 17.99M2 80 0 - ME 4x153 12102 [ㅆ 3-31 10-3 bgm] va T M MT T (87

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