ljwatts25
06.03.2020 •
Mathematics
Si la fuerza con la que la Tierra atrae a un cuerpo de 1 Kg es 9´8 N y el radio de la Tierra es 6370 Km halla la masa de la Tierra (G=6´67·10-11N·m2/Kg2; recuerda: F=G·M·m/r2 y despejando M, M= F·r2/G·m; en la calculadora para introducir 10-11 usa la tecla exp: (10) (exp)(-11)). Aclaración matemática: un exponente o nº elevado negativo significa: 10^-11 = 1/100.000.000.000 = 1/10^11
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idk im 9
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