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# 3. A block of mass 10 is slowing down as it is sliding up a rough...

###### Question:

3. A block of mass 10 is slowing down as it is sliding up a rough ramp. Friction exerts a force of 3 N on the block. The ramp is at an incline of angle 20°. What is the acceleration of the block? Down the ramp is the positive x direction. A. ax = +3.17 B. ax = +3.7 C. ax = +0.64. D. ax = -3.1

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