SOLUTION: If an airplane travels at a constant speed of 540 miles per hour, how many feet does it travel in 5 seconds? (1 mile = 5,280 feet)

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Question 782634: If an airplane travels at a constant speed of 540 miles per hour, how many feet does it travel in 5 seconds? (1 mile = 5,280 feet)
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Convert +5+ sec to hours
+5+ sec x +1%2F60+ min/sec x +1%2F60+ hrs/min =
+5+%2F+3600+ hrs
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Use +d+=+r%2At+ with units of miles and hours
+d+=+540%2A%28+5%2F3600+%29+
+d+=+.75+ mi
Convert to feet
+.75+ mi x +5280%2F1+ ft/mi = +3960+ ft
The plane travels 3,960 ft in 5 sec