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(a) If the maximum acceleration that is tolerable for passengers in a subway train is 2.45 m/s2 and subway stations are located 840 m apart, what is the maximum speed a subway train can attain between stations?
m/s
(b) What is the travel time between stations?
s
(c) If a subway train stops for 17 s at each station, what is the maximum average speed of the train, from one start-up to the next?
Calculate the angular wave number and the speed of the wave.
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What is magnitude of the angular momentum
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The reflected sound is afterwards mixed with the transmitted sound, and 85 beats per second are detected. The speed of sound in body tissue is 1520m/s. compute the speed of the fetal heart wall at the instant this measurement is made.
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