Problem C4:
A simple pendulum of length n_{1} meters is let go from rest at an
angle of 60 degrees. The pendulum is on a strange planet with an acceleration
due to gravity of g=n_{2} meters/sec^{2}. What is the speed of the
bob at the bottom of the pendulum where it is a maximum. If the speed
at the bottom is v=n_{3} meters/sec, What is n_{3}?

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