# An object with a mass of #5 kg# is pushed along a linear path with a kinetic friction coefficient of #u_k(x)= 1-cos(x/2) #. How much work would it take to move the object over #x in [0, 8pi], where x is in meters?

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Narad T.
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Mar 9, 2018

#### Answer:

The work is

#### Explanation:

The work done is

The frictional force is

The coefficient of kinetic friction is

The normal force is

The mass of the object is

The work done is

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