SOLUTION: An airplane takes off at a 12° angle and travels at the rate of 150 ft/sec. Approximately how long does it take the airplane to reach an altitude of 15,000 feet? (Round your answer

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Question 909823: An airplane takes off at a 12° angle and travels at the rate of 150 ft/sec. Approximately how long does it take the airplane to reach an altitude of 15,000 feet? (Round your answer to two decimal places.)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
So the plane is traveling vertically at a rate of,
R=150sin%2812%29
R=150%280.2079%29
R=31.2f%2Fs
Then,
R%2At=D
31.2%2At=15000
t=480.97 s