- #1
speeddman
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Homework Statement
When an F-18 jet lands on the runway, it's position is defined by s(t)=189t-t^7/3 meters after t seconds
calculate the braking time
calculate the deceleration when the jet stops ( i think she means immediately before?)
Homework Equations
derivative
The Attempt at a Solution
s'(t)=189-7/3t^4/3