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QJEEM19Ph8c36: JEE Main 2019 Physics - Class 11 JEEM19Ph8c36 Solution: A person standing on an open ground hears the sound of a jet…

A person standing on an open ground hears the sound of a jet aeroplane, coming from north at an angle 60o with ground level. But he finds the aeroplane right vertically above his position. If v is the speed of sound, speed of the plane is :

Multiple Choice Options

  • A 32v
  • B 2v3
  • C v
  • D v2

Step-by-Step Verified Solution

JEE Main 2019 (Online) 12th January Morning Slot Physics - Motion in a Plane Question 66 English Explanation
AB = VP × t

BC = Vt

cos60o = ABBC

12=VP×tVt

VP = V2

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