Physics, 28.07.2019 07:30 DeGeneral770
An open vertical tube has water in it. a tuning fork vibrates over its mouth. as the water level is lowered in the tube, a resonance is heard when the water level is 180 cm below the top of the tube, and again after the water level is 220 cm below the top of the tube a resonance is heard. what is the frequency of the tuning fork? the speed of sound in air is 343 m/s. answer in units
Answers: 1
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Awind turbine is rotating counterclockwise at 0.626 rev/s and slows to a stop in 12.9 s. its blades are 17.9 m in length. what is the centripetal acceleration of the tip of the blades at t=0~\text{s}t=0 s?
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An open vertical tube has water in it. a tuning fork vibrates over its mouth. as the water level is...
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