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Exercício de conservação da energia mecânica.

por maria (professor) Fácil Tuesday, November 17th, 2020


Considerando a massa do skatista 50 kg em uma pista em U sem atrito, pode-se afirmar que sua velocidade no ponto mais baixo da trajetória, quando ele parte do repouso da altura 3,2 m, é: (Use g = 10 m/s²) *

3 pontos

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