Question: A pendulum (mass m, unknown length) moves according to x = A sin (t? (a) Write the equation for vx(t) and sketch one cycle of

A pendulum (mass m, unknown length) moves according to x = A sin (t?
(a) Write the equation for vx(t) and sketch one cycle of the vx(t) graph?
(b) What is the maximum kinetic energy?

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