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Dinâmica

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Principio do Impulso e da quantidade demovimento:t2r∫r rmv + Fdt = mv1 2t1Aplicando o principio na direcção paralela ao plano inclinado:mv1 + ( mg sin 5° ) t − Ft = 0( )( ) ( )1814.4 26.817 + 1814.4 × 9.81sin 5° t − 6672t= 0t = 9.5 s31

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