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A fighter jet moving in a vertical circle iwth a consatnt radius R. The centre of circle is at a height 2R from an obsever on the ground .The observer recieves maximum frequency of sound produced by the plane when it is nearest to him .if speed of sound in air is v,speed of fighter jet is

A fighter jet moving in a vertical circle iwth a consatnt radius R. The centre of circle is at a height 2R from an obsever on the ground .The observer recieves maximum frequency of sound produced by the plane when it is nearest to him .if speed of sound in air is v,speed of fighter jet is

Grade:Upto college level

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
7 years ago
Hello Student,
We will use doppler effect and common concept of circles.
where the velocities are along the line joing source and the observer.
So what you are saying at the point velocity along that line will be zero.
So it can't be maximum there .
It will be maximum where its velocity is along the obs max.
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty

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