A source of sound of frequency 1000 Hzmoves to the right with a speed of 50 m/s relative to the ground. To its right is a reflecting surface noving to the leftobserver to the left of the source in figure. Speed of the sound in air is 330 m/s.

A source of sound of frequency 1000 Hzmoves to the right with a speed

1.	A source of sound of frequency 1000 Hzmoves to the right with a speed of 50 m/s relative to the ground. To its right is a reflecting surface noving to the leftobserver to the left of the source in figure. Speed of the sound in air is 330 m/s.
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