One end of a very light cord of length 2 m is attached to the ceiling. The other end of the cord is attached to a ball o

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One end of a very light cord of length 2 m is attached to the ceiling. The other end of the cord is attached to a ball of mass 1 kg. The ball can swing in a vertical circle. When the ball is at the lowest point, the tension in the cord has magnitude 60 N. Assume that g = 10 ms/2
(a) Find the speed, v, of the ball at the lowest point.
(b) What is the force exerted by the cord on the ceiling when the ball is at the lowest pointProvide explanation.
(c) What is the magnitude of the tangential acceleration of the ball when it is at the lowest point? Provide explanation.
m 6.1 One end of a very light cord of length 2 m is attached to the ceiling. The other end of the cord is attached to a ball of mass 1 kg. The ball can swing in a vertical circle. When the ball is at the lowest point, the tension in the cord has magnitude 60 N. Assume that g=10 ms-2. (a) Find the speed, v, of the ball at the lowest point. [20] (b) What is the force exerted by the cord on the ceiling when the ball is at the lowest point. Provide explanation. [2+1) (c) What is the magnitude of the tangential acceleration of the ball when it is at the lowest point? Provide explanation. (1+1]