I think this is the right answer. If system and OC are same he may gain nothing

ndphysics 5045 posts Joined: Sep 17, 2016

Posted 1:22 pm on Sep 21, 2026

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Replies 13

I think this is the right answer. If system and OC are same he may gain nothingNT ndphysics 1:22pm · 9/21/26