Draw a diagram-is the source or the observer moving

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Two trains (on separate tracks) travel toward each other, the first at 60.0 km/hr and the second at 40.0 km/hr. Both turn on their whistle, the first one emitting a frequency of 200 Hz and the second one emitting a frequency of 220 Hz. What frequencies do they each receive if the speed of sound in air is 330 m/s? Hint: Draw a diagram . Is the source or the observer moving?

Reference no: EM132536228

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