Can you answer sol and sophie forever's question about backpacks?:

A backpack full of blocks weighing 60.0N rests on a table in a physics laboratory classroom. A spring with a force constant of 160N/m is attached to the backpack and pulled horizontally. If the backpack begins to slide when the spring (k=160N/m) strectches by 2.40cm, what is the coefficent of the static friction between the backpack and the table?

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Can you answer sol and sophie forever's question about backpacks?:

A backpack full of blocks weighing 60.0N rests on a table in a physics laboratory classroom. A spring with a force constant of 160N/m is attached to the backpack and pulled horizontally. If the backpack begins to slide when the spring (k=160N/m) strectches by 2.40cm, what is the coefficent of the static friction between the backpack and the table?

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