Thursday
October 23, 2014

Homework Help: Physics

Posted by Robert C on Tuesday, December 14, 2010 at 11:04pm.

Suppose that a simple pendulum consists of a small 66.0 g bob at the end of a cord of negligible mass. Suppose that the angle between the cord and the vertical is given by
θ = (0.0800 rad) cos[(4.30 rad/s)t + ϕ]

(a) What is the pendulum's length?

(b) What is its maximum kinetic energy?

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