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A 0.0410- kg ball swings on the end of a 1.270- m-long string. On one swing...

A 0.0410- kg ball swings on the end of a 1.270- m-long string. On one swing the tension in the string is 1.177 N at the lowest point. By the second swing the ball has lost 9.3 percent of its energy. What is the ball's speed at the lowest point on the second swing?

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