A yo-yo with a mass of 0.334 kilogram is swung in a vertical circle of radius 0.990 meter. At the top of the circle the yo-yo has a speed of 3.45 m/s, and at the bottom of the circle its speed is 7.10 m/s. Determine the tension in the string tied to the yo-yo when it is at...
(a) The top of the circle
N
(b) The bottom of the circle
N