May 2020 edit
Hello, I'm DVdm. I noticed that you made a change to an article, Kinetic energy, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. DVdm (talk) 20:59, 8 May 2020 (UTC)
- If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.
Please do not add or change content, as you did at Kinetic energy, without citing a reliable source. Please review the guidelines at Wikipedia:Citing sources and take this opportunity to add references to the article. Thank you.
Note: see also wp:Edit warring and how to properly do it at wp:BRD. - DVdm (talk) 08:42, 9 May 2020 (UTC)
Please stop your disruptive editing. If you continue to add unsourced or poorly sourced content, as you did at Four-acceleration, you may be blocked from editing. - DVdm (talk) 09:02, 10 May 2020 (UTC)
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