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**1. Homework Statement**

A 2,254-kg car is moving down a road with a slope of 10 degrees while speeding up at a rate of 1.1 m/s^2. What is the direction and magnitude of the frictional force?

(define positive in the forward direction, i.e., down the slope)?

**2. Homework Equations**

ax=μgcos-gsin

**3. The Attempt at a Solution**

μ=ax/gcos-gsin 1.1m/9.81(cos10-sin10)=0.138 i keep on getting this answer.