A 500-Kg Object Moves Clockwise Around a 50

question 1

Short Answer

A 5.00-kg object moves clockwise around a 50.0 cm radius circular path. At one location, the speed of the object is 4.00 m/s. When the object next returns to this same location, the speed is 3.00 m/s.
(a) How much work was done by non-conservative forces as the object moved once around the circle?
(b) If the magnitude of the above non-conservative forces acting on the object is constant, what is the minimum value of this magnitude?

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