SCAN0047

# SCAN0047 - A 3 A violin string is 320m long between its...

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Unformatted text preview: A 3. A violin string is 320m long between its fixed ends and has a mass of 2.2g. The open string (no finger applied) sounds an A note (440 Hz). a. Calculate the tension in the string. ". What tension would be required for this open string to sound a C note (528 Hz)? If instead of changing the tension you decide to sound a C note by stopping the string (pressing it against the Violin with your finger), how far from the end of the string should it be applied? Lit,— qty—W, Or = /——-—-— .QQZZ 2" 32032} 4. A standing waveon a tight string experiment is set up in the laboratory. One end of the string is attached to an oscillator that vibrates with a frequency of 60 Hz. The other end of the string passes over a pulley and is attached to a mass. The distance between the oscillator and the pulley is 1.2 in. When the oscillator is turned on, six loops are observed on the string. The linear mass density of the string is 1.4 g/m. a. What is the wavelength of the standing wave? b. What is the wave speed of the standi wave" c. How much mass is hanging on the strin ‘ .._ H ~ 1 I r &. n’(p/Z- :3 /\:——-———L‘; iw‘z "-/ 41/77 I"! 3 ,L “Wm-MN“; V: ;L ) i3 « V _: A ...
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