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3. A block with a force of the Earth of -300. N is moved at constant velocity over a horizontal surface by a force of +50.0 N applied parallel to the surface. What is the coefficient of kinetic friction?​

Sagot :

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Answer:

-6

Explanation:

FRICTIONAL force=-300N,NORMAL REACTION,R=+50.0

Ú=F/R

=-300/+50.0

=-6

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