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Q. A tube is open only at one end. A certain harmonic produced by the tube has a frequency of 470 Hz. The next higher harmonic has a frequency of 555 Hz. The speed of sound in air is 343 m/s.
(a) What is the integer n that describes the harmonic whose frequency is 470 Hz?
(b) What is the length of the tube?
A frictionless pulley has the shape of a uniform solid disk of mass 4.00 kg and radius 28.0cm. A 3.60 kg stone is attached to a very light wire that is wrapped around the rim of the pulley, and the stone is released from rest. As it falls down, the w..
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