A yo-yo with a mass of 0.302 kilogram is swung in a vertical circle of radius 0.880 meter. At the top of the circle the yo-yo has a speed of 3.30 m/s, and at the bottom of the circle its speed is 7.05 m/s. Obtain the tension in the springtide to the yo-yo when it is at-
(a) The top of the circle
(b) The bottom of the circle.