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John Darby
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I was studying the topic -"Fixed Axis Rotation " from the book Kleppner Kolenkow -The Introduction to Mechanics. Please clarify the meaning of the $v_j$ variable which I have indicated in the photo below. If I interpret $v_j$ as the speed of particle j, even for $\vec v_j$ restricted to the $xy$ plane that seems wrong in general.

enter image description here

I was studying topic -"Fixed Axis Rotation " from the book Kleppner Kolenkow -The Introduction to Mechanics. Please clarify the meaning of the $v_j$ variable which I have indicated in the photo below.

enter image description here

I was studying the topic -"Fixed Axis Rotation " from the book Kleppner Kolenkow -The Introduction to Mechanics. Please clarify the meaning of the $v_j$ variable which I have indicated in the photo below. If I interpret $v_j$ as the speed of particle j, even for $\vec v_j$ restricted to the $xy$ plane that seems wrong in general.

enter image description here

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John Darby
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I was studying topic -"Fixed Axis Rotation " from the book Kleppner Kolenkow -The Introduction to Mechanics. I 'm unable to understand that how he wrote The formulaPlease clarify the meaning of the $v_j$ variable which I have indicated in the photo below.

enter image description here

I was studying topic -"Fixed Axis Rotation " from the book Kleppner Kolenkow -The Introduction to Mechanics. I 'm unable to understand that how he wrote The formula which I have indicated in the photo below

enter image description here

I was studying topic -"Fixed Axis Rotation " from the book Kleppner Kolenkow -The Introduction to Mechanics. Please clarify the meaning of the $v_j$ variable which I have indicated in the photo below.

enter image description here

Post Closed as "Not suitable for this site" by Miyase, Jon Custer, David Bailey
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Qmechanic
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I was studying topic -"Fixed Axis Rotation " from the book Kleppner Kolenkow -The Introduction to Mechanics. I 'm unable to understand that how he wrote The formula which I have indicated in the photo below   

enter image description here

I was studying topic -"Fixed Axis Rotation " from the book Kleppner Kolenkow -The Introduction to Mechanics. I 'm unable to understand that how he wrote The formula which I have indicated in the photo below  enter image description here

I was studying topic -"Fixed Axis Rotation " from the book Kleppner Kolenkow -The Introduction to Mechanics. I 'm unable to understand that how he wrote The formula which I have indicated in the photo below 

enter image description here

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