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Physics 11 Online
OpenStudy (anonymous):

A 9 kg block is pulled at a constant velocity of 3.5 m/s by a 11 N horizontal force. (c) What is the strength of the frictional force? (d) What is the value of the coefficient of kinetic friction between the block and the surface?

OpenStudy (anonymous):

a)11N since net force must be 0 as const velocity b)~11/90

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