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## Homework Statement

The coefficients of static and kinetic friction between a 59 kg box and a horizontal surface are 0.66 and 0.37, respectively.

(a) What is the acceleration of the object if a 330 N horizontal force is applied to the box?

(b) What is the acceleration if the applied force is 485 N

## Homework Equations

F=ma, coefficent of friction equations

## The Attempt at a Solution

I tried using the equations

but I am not really sure how they are supposed to be used