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What is the ratio of magnitudes of their angular velocities, ω1/ω2? express your answer in terms of the variables r1 and r2?
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What is the ratio of magnitudes of their angular velocities, ω1/ω2? express your answer in terms of the variables r1 and r2?

User Dlawrence
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1 Answer

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We are using the formula: v = rω Please consider that they have the same tangential velocity at their edges. Therefore we can equate: r1 ω1 = r2 ω2 And re-arrange: ω1 / ω2 = r2 / r1
User Doydoy
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