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Question 1. A 12kg object hangs in equilibrium from a string of total length L = 5m & linear mass density µ = 0.001 kg/m. The string is wrapped around two light frictionless pulleys that are separated by the distance d = 2m. (1) At what frequency must the string between the pulleys vibrate in order to form the st&ing wave pattern shown?

Question 2. A tuning fork vibrated at 512 Hz falls from rest & accelerates at 9.8 m/s2. How far below the point of release is the tuning form when waves of frequency 485 Hz reach the release point? Take the speed of sound in air to be 340 m/s.

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