13-83. The ball has a mass m and is attached to the cord
Chapter 13, Problem 13-83(choose chapter or problem)
13-83. The ball has a mass m and is attached to the cord of length /. The cord is tied at the top to a swivel and the ball is given a velocity v. Show that the angle 0 which the cord makes with the vertical as the ball travels around the circular path must satisfy the equation tan 0 sin 0 = vl/gl. Neglect air resistance and the size of the ball.
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