average speed during takeoff = 100 mph
so 100 mph for 30 seconds
100 m/hr *1 hr/3600 seconds *30 seconds
= .833 mles
A 727 jet needs to attain a speed of 200 mph to take off. If it can accelerate from 0 to 200 mph in 30 seconds, how long must the runway be? (Assume constant acceleration)
1 answer