A person standing on an open ground hears the sound of a jet aero plane, coming from north at an angle 60° with ground level. But he finds the aero plane right vertically above his position. If u is the speed of sound, speed of the plane is:
a.
b.
v
c.
d.
v
a.
b.
v
c.
d.
v
Question ID - 50644 | SaraNextGen Top Answer A person standing on an open ground hears the sound of a jet aero plane, coming from north at an angle 60° with ground level. But he finds the aero plane right vertically above his position. If u is the speed of sound, speed of the plane is:
a.
b.
v
c.
d.
v
A person standing on an open ground hears the sound of a jet aero plane, coming from north at an angle 60° with ground level. But he finds the aero plane right vertically above his position. If u is the speed of sound, speed of the plane is:
|
a. |
|
b. |
v |
|
c. |
|
d. |
|
1 Answer
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