Two trains on separate tracks move toward one another. Train 1 has a speed of 107 km/h and train 2 a speed of 74.8 km/h.
Posted: Thu Jul 07, 2022 12:07 pm
Two trains on separate tracks move toward one another. Train 1 has a speed of 107 km/h and train 2 a speed of 74.8 km/h. Train 2 blows its horn, emitting a frequency of 924 Hz. What is the frequency heard by the engi- neer on train 1? Assume the speed of sound in air to be 1233 km/h. Answer in units of Hz. Answer in units of Hz