Question
Asked Nov 12, 2019
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The speed of pulley S varies inversely as its diameter d. A pulley with its diameter 3" turns at 10 rpm. find the constant variation K and then find the speed of a similar pulley with diameter 10"

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Expert Answer

Step 1

Let d1 and d2 are the diameters of first and second pulley respectively and v1 is the speed of the first pulley.

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d 3 inch d, 10 inch 2 10 rpm

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Step 2

From the definition, that speed varies inversely to the diameter and the proportionality constant is k.

Write t...

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k d k = vd k (10 rpm (3 inch) k 30 rpm inch

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Science

Physics

Newtons Laws of Motion

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