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April 16, 2014

Homework Help: Physics

Posted by B on Monday, November 5, 2012 at 2:48pm.

At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of 92 N at an angle of 30 as shown in the figure below. The box of books has a mass of 22.0 kg, and the coefficient of kinetic friction between the bottom of the box and floor is 0.5.

a) Find the acceleration of the box.
b) If the box is at rest to start with, what is its speed after it has traveled 2.00 m?
c) How much time does it take to pull the box this distance?

Please show how you got there! This problem has stumped me..

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