The Speed of Sound Is 340 M/s

question 7

Multiple Choice

The speed of sound is 340 m/s.A plane flies horizontally at an altitude of 10,000 m and a speed of 400 m/s.When an observer on the ground hears the sonic boom the horizontal distance from the point on its path directly above the observer to the plane is (assume the speed of sound does not change with altitude) :

• A)5800 m
• B)6100 m
• C)8400 m
• D)12,000 m
• E)16,000 m

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