Posted by Jason on Tuesday, October 26, 2010 at 1:03pm.
an airplane is flying at 600km/h at an altitude of 2.0km. When the sound of the airplane's engines seems to someone on the ground to be coming from directly overhead, how far away is she from being directly below the airplane?

Physical Science  Sarah, Friday, March 14, 2014 at 9:33am
546 m
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