Physics, 12.09.2019 20:30 trobbie817
Atruck moving at 36 m/s passes a police car moving at 45 m/s in the opposite direction. if the frequency of the siren is 500 hz relative to the police car, what is the change in frequency (in hz) heard by an observer in the truck as the two vehicles pass each other? (the speed of sound in air is 343 m/s.)
Answers: 2
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Juliette sets the initial velocity to +10 m/s, the acceleration to zero, and clicks “start.” how can shakina describe the subsequent motion of the car juliette controls?
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Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3
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Atruck moving at 36 m/s passes a police car moving at 45 m/s in the opposite direction. if the frequ...
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