# 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:9

## 1 Answers

Sher Mohammad IIT Delhi
askIITians Faculty 174 Points
9 years ago

sound in air is v,speed of fighter jet is

30.5A 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.v/30.5b.v/31.5c. v/2 d.v/30.5

.v/30.5b.v/31.5c. v/2 d.v/30.5

sound in air is v,speed of fighter jet is

30.5A 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.v/30.5b.v/31.5c. v/2 d.v/30.5

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