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Sagot :

MPOWER

Réponse :

Salut,

a) F = (G x m x m') / d^2

      = (6,67 x 10^-11 x 75 x 75) / 2

      = 1,9 x 10^-7 N

b) F = (G x m terre x m soleil) / d^2

      = (6,67 x 10^-11 x 6 x 10^24 x 2 x 10^30) / (150 x 10^6 x 10^3)^2

      = 3,6 x 10^22 N

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