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October 22, 2014

Homework Help: physics

Posted by Matt on Friday, February 17, 2012 at 7:28am.

a force F pushes on a box of mass m that initially is at rest on a rough, horizontal surface. the force F is directed at an angle theta = 30 degreees above the horizontal. the coefficants of friction between the plane and the box are static= .30 and kinetic = .28. if F=50N and m=15kg, what is the acceleration of the bos and the magnitude of the friction force?

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