Physics, 06.06.2020 18:02 kriderdavid
t an air show a jet flies directly toward the stands at a speed of 1160 km/h, emitting a frequency of 3690 Hz, on a day when the speed of sound is 342 m/s. What frequency (in Hz) is received by the observers?
Answers: 2
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Like a key in a lock, the shape of the. must bind with the. of the recieving neuron
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A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?
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What is a costume plot? why is it important to a film or theater production?
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The air in an automobile tire with a volume of 2.60 ft3 is at 70°f and 21 psig. determine the amount of air that must be added to raise the pressure to the recommended value of 30 psig. assume the atmospheric pressure to be 14.6 psia and the temperature and the volume to remain constant. the gas constant of air is ru = 53.34ft⋅lbflbm⋅r(1 psia144 lbf/ft2) = 0.3704 psia⋅ft3lbm⋅r the amount of air that must be added to raise the pressure is lbm
Answers: 3
t an air show a jet flies directly toward the stands at a speed of 1160 km/h, emitting a frequency o...
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