Learn All About Dogs""Discovering the World of Dogs: A Beginner's Guide

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The discussion emphasizes the importance of consolidating questions by responding to existing threads instead of creating new ones. It suggests that visual aids, like drawings, can clarify complex scenarios, particularly when analyzing the interactions between two heavy children engaged in different activities. The positioning of the children is crucial for understanding the dynamics involved. Engaging with previous discussions can enhance the learning experience. Overall, effective communication in forums can lead to better problem-solving outcomes.
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You have already posted this question here:https://www.physicsforums.com/showthread.php?t=363405

If you made some progress on it, you should add a reply to the original question, rather than create a new thread.

I think a drawing would be in order for this problem, as you say one child is jumping and the other is sliding. How are the two children (who are extremely heavy at 65 and 85 kg for children) positioned in relation to each other?
 
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Thread 'Help needed with Polarisation (Rotated Waveplates)'

(a) The polarisation pattern is elliptical with maximum (1,1) and minimum (-1,-1), and anticlockwise in direction. (b) I know the solution is a quarter-wave plate oriented π/4, and half-wave plate at π/16, but don't understand how to reach there. I've obtained the polarisation vector (cos π/8, isin π/8) so far. I can't find much online guidance or textbook material working through this topic, so I'd appreciate any help I can get. Also, if anyone could let me know where I can get more...
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