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????To guarantee more classes from Prof. Ben from Physics sticks here: http://bit.ly/2EjJbeo Let's continue our playlist of Waves classes?! In this class we will talk about the Doopler Effect, which occurs when there is an apparent change in the frequency of the wave when there is movement between the source and the observer. Follow Me Salva! ???? Instagram ENEM: / mesalvaoficial Instagram ENGENHARIA: / mesalvaengenharia Blog: http://bit.ly/30Y6zHt Facebook: / mesalva