Question: a string just breaks when it is under 2 5 N of tension. A boy uses this string to whirl a 0 . 7 5

a string just breaks when it is under 25N of tension. A boy uses this string to whirl a 0.75kg stone in a horizontal circle of radius 2.0m. the boy continuously increases the speed of the stone. at appoximately what speed with the string break?

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