an airplane descends at 6degrees from the horizontal, from a height of 34000 ft. if the descent is in a straight line at 450mph, how long does it take ? (nearest minute)

Answer 1

So from Mark's analysis, PL = 325,270 ft. Divide by 5,280 to get miles = 61.6 mi. Then divide this by the speed of 450 mi/hour to get 0.137 hours. Finally, multiply by 60 min/hour to get 8 minutes.

Answer 2

Draw and label a diagram!

P is the location of the plane

G is the location of the ground below the plane

L is the location of the landing

∠mPLG = 6°

sin 6° = 34000 / PL

Solve for PL.

PL / 450 is the answer?