How Fast Does a Rock Accelerate When Swung on a String?

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SUMMARY

The discussion focuses on calculating the centripetal acceleration of a rock swung on a string at a constant speed of 25 ft/sec with a string length of 1.765 ft. The formula for centripetal acceleration is established as a = v²/r. By substituting the given values, the acceleration can be calculated as approximately 354 ft/sec² when rounded to the nearest whole number.

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tman
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A rock tied to a string is swung around in a circle at a constant speed of 25 ft/sec. The length of the string is 1.765 ft. Calculate the acceleration. (Round to nearest whole number.)

acceleration = ________ft/sec2
 
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You know, there is a homework help forum. You might post questions of that nature there.

That said, centripetal acceleration is equal to [tex]\frac{v^2}{r}[/tex].
 

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