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01-04-2017
Mathematics

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What is the angular velocity of a 6–foot pendulum that takes 3 seconds to complete an arc of 14.13 feet? use 3.14 for pi

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jdoe0001 jdoe0001

01-04-2017

[tex]\bf \begin{array}{llll} \cfrac{v}{r}=w\\\\ v=\cfrac{s}{t} \end{array}\qquad \begin{cases} v=\textit{linear speed}\\ r=radius\\ w=\textit{angular speed}\\ s=\textit{arc's length}\\ t=\textit{time length} \\----------\\ r=6\\ s=14.13\\ t=3 \end{cases}\implies \cfrac{\frac{s}{t}}{r}=w[/tex]

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