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Physics 13 Online
OpenStudy (anonymous):

A girl exerts a 36-N horizontal force as she pulls a 52-N sled across a cement sidewalk at a constant speed. What is the coefficient of kinetic friction between the sidewalk and the metal sled runners? Ignore air resistance. Show steps please.

OpenStudy (anonymous):

Help! Please.

OpenStudy (anonymous):

@jessica it is a wrong question:)

OpenStudy (anonymous):

Hmm. Ok? Lol.

OpenStudy (3psilon):

F=ma but there is no acceleration since there is a constant speed so sum of the forces = 0 . There's a hint :)

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