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## Homework Statement

A sports car is accelerating up a hill that rises 16.0° above the horizontal. The coefficient of static friction between the wheels and the road is µs = 0.87. It is the static frictional force that propels the car forward.

(a) What is the magnitude of the maximum acceleration that the car can have?

(b) What is the magnitude of the maximum acceleration if the car is being driven down the hill?

## Homework Equations

F

_{N}=ma=mgcos[tex]\theta[/tex]

f

_{s}=F

_{N}[tex]\mu[/tex]

_{s}

## The Attempt at a Solution

Attached is the pic I've been using to figure this out. I'm somewhat lost at how to proceed though.