Physics, 22.07.2019 17:10 roudjinapierre214
Astationary police car emits a sound of frequency 1200 hz that bounces off a car on the highway and returns with a frequency of 1250 hz. the police car is right next to the highway, so the moving car is traveling directly toward or away from it. (a) how fast was the moving car going? was it moving toward or away from the police car? (b) what frequency would the police car have received if it had been traveling toward the other car at 20.0 m/s?
Answers: 1
Physics, 22.06.2019 15:00, ReeceLehua01
Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost
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Physics, 23.06.2019 06:30, lovecats12
Acar weighs 15,000 n, and its tires are inflated to a pressure of 190kpa. how large is the area of the car's tires that are in contact with the road?
Answers: 1
Astationary police car emits a sound of frequency 1200 hz that bounces off a car on the highway and...
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