A pendulum consists of a 2.0-kg bob attached to a light
Chapter , Problem 54(choose chapter or problem)
A pendulum consists of a 2.0-kg bob attached to a light 3.0-m-long string. While hanging at rest with the string vertical, the bob is struck a sharp horizontal blow, giving it a horizonal velocity of At the instant the string makes an angle of with the vertical, what is (a) the speed, (b) the gravitational potential energy (relative to its value is at the lowest point), and (c) the tension in the string? (d) What is the angle of the string with the vertical when the bob reaches its greatest height?
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