A certain string just breaks when it is under 25 N of tension. A boy uses this string to whirl a 0.75-kg stone in a horizontal circle of radius 2.0 m. The boy continuously increases the speed of the stone. At approximately what speed will the string break?
A)6.4 m/s
B)8.2 m/s
C)12 m/s
D)15 m/s
E)18 m/s

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The Answer of A certain string just breaks when it is under 25 N of tension. A boy uses this string to whirl a 0.75-kg stone in a horizontal circle of radius 2.0 m. The boy continuously increases the speed of the stone. At approximately what speed will the string break?
A)6.4 m/s
B)8.2 m/s
C)12 m/s
D)15 m/s
E)18 m/s

A Certain String Just Breaks When It Is Under 25