Physics, 25.11.2019 04:31 trejoste1

1)as velocidades escalares de dois pontos materiais ,aeb sao constantes. a figura os representa no instante t=0 e as setas indicam o sentido de cada movimento . tambem estao indicados os modulos das suas velocidades escalares
a)escreva a funçao horaria dos espaços de cada um e determine o intante de encontro
b) determine o local de encontro

2)determineo intervalo de tempo para que um trem de 240m com uma velocidade escalar constante de 108km/h atravesse completamente um tunel de comprimento 1980m

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1)as velocidades escalares de dois pontos materiais ,aeb sao constantes. a figura os representa no i...