A pendulum is made with a 4 kg mass suspended at the end of a 75 cm thin rod. The pendulum started at an angle of 20 degrees with the vertical. What is the velocity of the pendulum as it passes through the orgin?

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A pendulum is made with a 4 kg mass suspended at the end of a 75 cm thin rod. The pendulum started at an angle of 20 degrees with the vertical. What is the velocity of the pendulum as it passes through the orgin?

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