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## Homework Statement

A 5.0kg concrete block accelerates down a 34° slope at 4.2m/s^2. Find the coefficient of friction between the block and the slope.

## Homework Equations

Fg=5*9.8=45

x=45sin30

y=45cos30

## The Attempt at a Solution

a=(mgsinθ-Ff)/m → Ff=mgsinθ-ma

Thanks