What will be the diameter of an indentation, in mm, to yield a hardness of 300 HB when a 500-kg load is used? D=10mm and r = 3.14 Enter answer rounded to two places after the decimal without units....

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Extracted text: What will be the diameter of an indentation, in mm, to yield a hardness of 300 HB when a 500-kg load is used? D=10mm and r = 3.14 Enter answer rounded to two places after the decimal without units. Type your answer.