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Physics, 22.06.2019 15:00, weridness80
For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat
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Physics, 22.06.2019 18:20, shongmadi77
Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?
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Physics, 23.06.2019 15:00, Greekfreak
If it takes ashley 3 seconds to run from the batters box to first base at an average speed of 6.5 meters per second, what is the displacement she covers in that time?
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Physics, 23.06.2019 16:00, popa60
Acommon procedure for measuring the velocity of an airstream involves the insertion of an electrically heated wire (called a hot-wire anemometer) into the airflow, with the axis of the wire oriented perpendicular to the flow direction. the electrical energy dissipated in the wire is assumed to be transferred to the air by forced convection. hence, for a prescribed electrical power, the temperature of the wire depends on the convection coefficient, which, in turn, depends on the velocity of the air. consider a wire of length l = 20 mm and diameter d = 0.5 mm, for which a calibration of the form v = 6.25 ă— 10â’5 h2 has been determined. the velocity v and the convection coefficient h have units of m/s and w/m2 â‹… k, respectively. in an application involving air at a temperature of tâž = 25â°c, the surface temperature of the anemometer is maintained at ts = 75â°c with a voltage drop of 5 v and an electric current of 0.1 a. what is the velocity of the air?
Answers: 1
The wind farm consists of 8 wind turbines.
Calculate the mean power produced by one wind turbine at...
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