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Um corpo é lançado verticalmente para cima a partir da superfície da Terra e atinge a altura de 80 metros. A gravidade na superfície da Terra é de10m/g² e são desprezados os efeitos de altitude e da resistência do ar. A velocidade de lançamento é:
a) ( ) 60 m/s
b) ( ) 25 m/s
c) ( ) 80 m/s
d) ( ) 40 m/s
e) ( ) 30 m/s
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Um corpo é lançado verticalmente para cima a partir da superfície da Terra e atinge a altura de 80 m...
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