Physics, 05.05.2020 08:41 karlacr5117
G What is the frequency of the train whistle as heard by a passenger on the train? n alert physics student stands beside the tracks as a train rolls slowly past. She notes that the train whistle has a frequency of 465 Hz as the train approaches her and a frequency of 445 Hz as the train moves away from her. The speed of sound is 343 m/s. While waiting for her own train to arrive, the student performs some ca
Answers: 2
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While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.
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Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not
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G What is the frequency of the train whistle as heard by a passenger on the train? n alert physics s...
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