A Supersonic Plane Passes Overhead at a Speed of 500

question 20

Multiple Choice

A supersonic plane passes overhead at a speed of 500 m/s.If you hear the sonic boom (shock wave) 4.00 s after the plane is directly overhead,at what altitude is the plane flying? Assume the speed of sound in air is 340 m/s.

• A) 1.36 km
• B) 2.16 km
• C) 1.85 km
• D) 2.45 km
• E) The plane is not flying fast enough to produce a shock wave.