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Chica1975
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Homework Statement
in an emergency stop on a level dry concrete road the magnitude of the friction force when sliding is approx 80% of the weight of the vehicle. What stopping distance is required for a vehicle traveling at 88km/h (24.444 m.s)?
Assume that all the wheels lock when the brakes are applied
Use 9.8 m/s2 for gravitational acceleration
Homework Equations
W= F*X
.5mvE2
SumF = ma
The Attempt at a Solution
I have tried a number of combinations using the above equations - I can't figure this out.
Help anyone!