Physics, 24.06.2019 18:20 maysahdabest
You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind and you perceive the frequency as 1310 hz. you are relieved that he is in pursuit of a different speed when he continues past you, but now you perceive the frequency as 1240 hz. what is the frequency of the sirenin the police car
Answers: 3
Physics, 22.06.2019 11:00
What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.
Answers: 1
Physics, 22.06.2019 22:00
Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
Answers: 3
You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you...
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