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(a) How far, and in what direction, should a cellist move her finger to adjust a string's tone from an out-of-tune 449 Hz to an in-tune 440 Hz? The string is 68.0 cm long, and the finger is 20.0 cm from the nut for the 449-Hz tone.
(b) what is the fundamental frequency of the string (i.e. the frequency once she removes her finger from the string and it vibrates over its full length)?
(c) if the tension in the cello string is 134 N, what is its mass perunit length?
A bicyclist moves 400 ft north in 80 s, and then moves 300 ft east in 70 s. The magnitude of the average velocity of the bicyclist is most nearly? A rock is dropped from rest on a planet with no air resistance. It falls freely for 3.0 m in the first ..
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In recent years, practical hybrid cars have hit the road - cars in which the gasoline engine runs a generator that charges batteries that run an electric motor. These cars offer increased efficiency, but significantly greater efficiency could be p..
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