A train is moving in an elliptical orbit in clockwise sense with speed 90 m s The elliptical orbit is 1 1250 Hz represented by

Question

A train is moving in an elliptical orbit in clockwise sense with speed 90 m s The elliptical orbit is 1 1250 Hz represented by the equation driver gives a whistle of 1800 Hz at A which is received by guard at B The frequency received by the guard is speed of sound is 340 m s A 0 O x 5 y 1 The 16 9 B 2 1300 Hz

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