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emmyology
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Homework Statement
a) A jet fighter has two engines each generating 70,000 N of thrust. What is the acceleration of the 15,000 kg jet?
b) The above jet reaches a final velocity of 240 m/s. What is the frictional force on the jet?
Homework Equations
Ff= Fn(mew?)
F=MA
?
The Attempt at a Solution
Okay, so for the first part (a) I got 4.66 m/s squared as my acceleration. I need to know how to get the answer for part b.