A backpack full of books weighing 52.0 n rests on a table, Ask an Expert

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A backpack full of books weighing 52.0 N rests on a table in a physics laboratory classroom. A spring with a force constant of 150 N/m is attached to the backpack and pulled horizontally, as indicated in the figure. If the spring stretches by 2.50 cm, what is the coefficient of static friction between the backpack and the table?

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Category:- Physics
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