If rotational speed of a disc remains constant, what happens to the speed of a point on the disc if its distance from the axis is doubled?
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Expert's answer
2012-02-16T08:13:14-0500
As we know angular speed omega=V/r where V-tngential speed, r -radius of revolution hence tangential speed V=omega*r Now it's clear that if we double r(omega is constant) tangential speed will also be doubled
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