5.0 kg undergoes uniform circular motion in the r-y plane. 4. An object of mass m = The radius of its circular motion is R = 2.0m. From the view shown in the diagram, it circles in the clockwise sense. At a certain moment the velocity of the object is T = (-3.0,0,0) m/s. %3D +y (a) [5] At that same moment, what is the net force (a vector) on the object? Calculate a numerical value and put your vector answer in component form. (b) [5] How much time does it take the object to complete eight-and-a-half revolu- tions? 2D F4 F5 F6 F7 F8 F9 F10 F11 & 4. 6. 8. 24

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