Problema Solution
A plane climbs from an altitude of 11,000 ft to a cruising altitude of 33,000 ft. The plane ascends at a rate of 2750 ft/min. How long will it take to reach cruising altitude?
Answer provided by our tutors
plane ascend in 1 minute = 2750ft
plane ascend 1 ft in = 60/2750 seconds
plane ascend 22000ft in = 60*22000/2750 seconds
= 8 minutes