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(Solved): A rock is whirled on the end of a string in a horizontal circle of radius R with a constant period T ...
A rock is whirled on the end of a string in a horizontal circle of radius
Rwith a constant period
T. If the radius of the circle is reduced to
(R)/(3), while the period remains
T, what happens to the centripetal acceleration of the rock? The centripetal acceleration remains the same. The centripetal acceleration increases by a factor of 3. The centripetal acceleration increases by a factor of 9. The centripetal acceleration decreases by a factor of 9 . The centripetal acceleration decreases by a factor of 3 .
