Consider an object of mass m=3.8kg sliding on a rough horizontal surface. The object has a speed vA=4.8m/s at point A, a

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correctanswer
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Consider an object of mass m=3.8kg sliding on a rough horizontal surface. The object has a speed vA=4.8m/s at point A, a

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Consider an object of mass m=3.8kg sliding on a rough
horizontal surface. The object has a speed vA=4.8m/s at point
A, and it slows down until it stops at point B, 7.6m ahead of
A.
Part A - Determine the work done by the friction force on
the object between point A and point B.
Part B - If a horizontal force of magnitude
F=15N acted on the object in the direction of its motion from
A to B, what would the speed of the object at point B be?
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