Posted by Brittany on Saturday, December 4, 2010 at 7:30pm.
change (65-21)knots to m/s. You can do that by putting this in the google search window:
(65-21)knots in m/s
Then
speedabove^2=2ad where d is the length of the runway (in meters), and I assume you messed up the problem, you are looking for acceleration a.
and, once you can find a, you can figure the thrust of the engines:
Thrust= mass*a
so how would i go about finding acceleration?
a= .5*speed^2/distance
make certain your units are in meters, and seconds.
thank u so much!! ^w^
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