Physics, 14.09.2019 10:30 heidiheffron574
An opera singer in a convertible sings a note at 550 hz while cruising down the highway at 92 km/h . the speed of sound in the air is 343 m/s. a) what is the frequency heard by a person standing beside the road in front of the car?
b) what is the frequency heard by a person standing beside the road behind the car?
Answers: 2
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Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents
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How do the forces acting on a boat compare to the force acting on a plane ?
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A10 kg shark swimming at 5m/s swallows an absent-minded 0.5 kg fish that is originally at rest. what is the speed of the large fish after eating the smaller fish?
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An opera singer in a convertible sings a note at 550 hz while cruising down the highway at 92 km/h ....
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