Two trains on separate tracks move toward each other train
Two trains on separate tracks move toward each other. Train 1 has a speed of 141 km/h; train 2 a speed of 75.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1?
Hz
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a 1 x 10-6 f capacitor is connected to an emf that is increasing uniforrmly with time at a rate of 100 vs the
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suppose that the gas-phase reaction a b and b a are both elementary processes with rate constants of 540e03 s-1 and
two trains on separate tracks move toward each other train 1 has a speed of 141 kmh train 2 a speed of 750 kmh train 2
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