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QUESTION
A pendulum is made by tying a 490 g ball to a 52.0 cm-long string. The pendulum is pulled 21.0^\circ to one side, then released. What is the ball's
A pendulum is made by tying a 490 g ball to a 52.0 cm-long string. The pendulum is pulled 21.0^circ to one side, then released. What is the ball's speed at the lowest point of its trajectory?
