SOLUTION: The radius of the earth at the equator is approximately 4000 miles. Suppose a jet flies once around the earth at a speed of 500 miles an hour relative to earth. If the flight path

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Question 110877: The radius of the earth at the equator is approximately 4000 miles. Suppose a jet flies once around the earth at a speed of 500 miles an hour relative to earth. If the flight path is a negligible height above the equator, give the number of hours of flight.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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The radius of the earth at the equator is approximately 4000 miles. Suppose a jet flies once around the earth at a speed of 500 miles an hour relative to earth. If the flight path is a negligible height above the equator, give the number of hours of flight.
:
Find the circumference of the earth:
C = 2*pi*4000
C = 25132.74 mi
:
Time = Dist/speed
T = 25132.74/500
T= 50.2655 hrs