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6
votes
1answer
135 views

A question erroneously labeled as duplicate

A question was submitted by user929304 titled: Balance of a spinning coin This question is about the case of rolling motion, as in, for instance, rolling down an incline. So you see a coin rolling ...
7
votes
1answer
180 views

Wrongly marked as duplicate

This question that was wrongly marked as duplicate (has been reopened since) to this question . The marked one asks "How can the unstable particles of the standard model be considered particles in ...