A train is moving parallel and adjacent to a highway with a constant speed of 30 m/s. A car is traveling in the same direction as the train at 57 m/s....

A train is moving parallel and adjacent toa highway with a constant speed of 30 m/s.A car is traveling in the same direction asthe train at 57 m/s. The car’s horn soundsat 570 Hz and the train’s whistle sounds at330 Hz.When the car is behind the train what fre-quency does an occupant of the car observefor the train whistle? The speed of sound is343 m/s.Answer in units of Hz