One end of a cord is fixed and a small 0.500-kg object is attached to the other end, where it swings in a section
of a vertical circle of radius 2.00 m as shown in Figure. When θ = 20.0
, the speed of the object is 8.00 m/s.
At this instant, find (a) the tension in the string. (b) the tangential and radial components of acceleration, and
(c) the total acceleration. (d) Is your answer changed if the object is swinging down toward its lowest point
instead of swinging up?