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Physics
Igor Mello's user avatar
Igor Mello's user avatar
Igor Mello's user avatar
Igor Mello
  • Member for 3 years, 3 months
  • Last seen more than 2 years ago
  • Brasília, DF, Brasil
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Conceptual question about rotational and translational kinectic energy
May 1, 2021
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Use combinatorial proof to show that $\sum\limits_{k=m}^{n}\binom{k}{m}=\binom{n+1}{m+1}$.