Question

An engine is moving on a circular path of radius 100 meters with a speed of 20 meter per second. The frequency observed by an observer standing at the center of circular path when the engine blows a whistle of frequency 500HZ is a)more than 500HZ b)less than 500HZ c)500HZ d)no sound is heard ​

Answer 1

Answer:

c)500HZ is the correct answer

Answer 2

Answer:

500 Hz is your answer

Explanation:

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