Solve Energy Conservation Q | Get Help Now!

AI Thread Summary
The discussion revolves around a user seeking help with a physics question related to energy conservation, but the forum moderators emphasize that it must be posted in the homework section due to forum rules. The user insists that the question is not homework but rather a preparatory question from a university resource. Moderators clarify that any question resembling typical schoolwork must adhere to the designated posting guidelines. They also note that conservation of kinetic energy may not apply to the user's scenario. The thread is ultimately closed for moderation due to these rule violations.
Norules
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Hi, Could someone help me solve this question , my working has been attached & question, please point out errors. Help is greatly appreciated .
 

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Norules said:
Hi, Could someone help me solve this question , my working has been attached & question, please point out errors. Help is greatly appreciated .
Welcome to PF, Norules!

Unfortunately, we have rules here, Norules. If this is a homework question you should post in the homework board and use the template.

It is difficult to figure out what the question is let alone what you are doing. Please state the question and explain your answer. Then we may be able to help you out.

BTW, if you are trying to use conservation of kinetic energy here, it will not work in this collision.

AM
 
This is no homework question and I am well aware of the regulations in this forum ,it is a question that i found in my university's resource center in preparation for my test. You mentioned you did not fully understand the question well that' all there is to it and I have attached a file(.docx) of the question please check.

NR
 
Closed for moderation.
 
Norules said:
This is no homework question and I am well aware of the regulations in this forum ,it is a question that i found in my university's resource center in preparation for my test. You mentioned you did not fully understand the question well that' all there is to it and I have attached a file(.docx) of the question please check.

NR

Please read this Sticky thread in its entirety.

https://www.physicsforums.com/showthread.php?t=8128

This rule applies even if your question is not formally part of a HW/Coursework. Any type of question that has the same resemblance to that covered in a typical schoolwork must be posted in that forum, not in here.

Zz.
 
I have recently been really interested in the derivation of Hamiltons Principle. On my research I found that with the term ##m \cdot \frac{d}{dt} (\frac{dr}{dt} \cdot \delta r) = 0## (1) one may derivate ##\delta \int (T - V) dt = 0## (2). The derivation itself I understood quiet good, but what I don't understand is where the equation (1) came from, because in my research it was just given and not derived from anywhere. Does anybody know where (1) comes from or why from it the...

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