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stealth2k4
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A backpack full of books weighing 47.0 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. If the spring stretches by 2.20 cm before the backpack begins to slip, what is the coefficient of static friction between the backpack and the table?
i tried to use Fsmax = Mus of s times the normal force what should i use
i tried to use Fsmax = Mus of s times the normal force what should i use
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