An opera singer in a convertible sings a note at 750 hz while cruising down the highway at 89 km/h . the speed of sound in the air is 343 m/s. what is the frequency heard by a person standing beside the road in front of the car? what is the frequency heard by a person standing beside the road behind the car? express your answer with the appropriate units.
Answers: 1
Physics, 22.06.2019 11:30, ramirezzairap2u4lh
Water is siphoned from a large tank and discharges into the atmosphere through a 50-mm diameter tube. the end of the tube is b = 2.1 m below the tank bottom which is a = 7.4 m deep, and viscous effects are negligible. determine the maximum height h over which the water can be siphoned without cavitation occurring. atmospheric pressure is 101.4 kpa, and the water vapor pressure is 1.79 kpa (absolute)
Answers: 3
Physics, 22.06.2019 17:30, joejoefofana
Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance
Answers: 3
An opera singer in a convertible sings a note at 750 hz while cruising down the highway at 89 km/h ....
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