How does the answer change if the answer if the coefficient of kinetic friction

Question

How does the answer change if the answer if the coefficient of kinetic friction is ?k = 0.120? (Use the quadratic formula.)
A block with mass of 5.66 kg is attached to a horizontal spring with spring constant k = 3.68 102 N/m, as shown in the figure. The surface the block rests upon is frictionless. The block is pulled out to xi = 0.0460 m and released.
(a) Find the speed of the block at the equilibrium point.
.37289 m/s
(b) Find the speed when x = 0.026 m.
.30598 m/s
(c) Repeat part (a) if friction acts on the block, with coefficient ?k = 0.120.
.1714 m/s
Suppose the spring system in the last example starts at x = 0 and the attached object is given a kick to the right, so it has an initial speed of 0.63 m/s.
(a) What distance from the origin does the object travel before coming to rest, assuming the surface is frictionless?
.07813 m
(b) How does the answer change if the answer if the coefficient of kinetic friction is ?k = 0.120? (Use the quadratic formula.)
m?

Explanation / Answer

figure ???? please post it

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