# An object with a mass of # 3 kg# is lying still on a surface and is compressing a horizontal spring by #60 c m#. If the spring's constant is # 2 (kg)/s^2#, what is the minimum value of the surface's coefficient of static friction?

The coefficient of static friction is

The normal reaction of the object is

The coefficient of static friction is

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The minimum value of the surface's coefficient of static friction is 0.2.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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- If an object is moving at #2 m/s# over a surface with a kinetic friction coefficient of #u_k=17 /g#, how far will the object continue to move?

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