Solved: A ball of mass m = 1.0 kg at the end of a thin

Chapter , Problem 100

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A ball of mass m = 1.0 kg at the end of a thin cord of lengthr = 0.80 m revolves in a vertical circle about point O, asshown in Fig. 5-56. During the time we observe it, the onlyforces acting on the ball are gravity and the tension in thecord. The motion is circular but not uniform because of theforce of gravity. The ball increases in speed as it descends anddecelerates as it rises on the other side of the circle. At themoment the cord makes an angle 0 = 30 below thehorizontal, the balls .___speed is 6.0 m/s. Atthis point, determinethe tangential acceleration,the radialacceleration, and thetension in the cord,FT. Take 0 increasingdownward as shown.

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