Suppose that a simple pendulum consists of a small 60.0 g bob at the end of a cord of
Chapter 15, Problem 42(choose chapter or problem)
Suppose that a simple pendulum consists of a small 60.0 g bob at the end of a cord of negligible mass. If the angle u between the cord and the vertical is given by u (0.0800 rad) cos[(4.43 rad/s)t f], what are (a) the pendulums length and (b) its maximum kinetic energy?
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