You Are Whirling a Stone on the End of a String

question 44

Multiple Choice

You are whirling a stone on the end of a string in a horizontal circle of radius R = 0.65m with a frequency of 4 rev/s when the string breaks.Just after the string breaks,the velocity of the stone is

• A)straight down.
• B)32 m/s along a tangent to the circle.
• C)16 m/s along the radius away from the center.
• D)1.0 m/s along the radius toward the center.
• E)none of these

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Definitions:

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