Oblicz wartosc przyspieszenia grawitacyjnego na wysokosci 828m jesli wiadomo ze promien ziemi 6,37*10⁶m a masa ziemi 5,97*10^24 kg.
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Rz = 6,37 *10⁶ m
h = 828 m
Mz = 5,97 *10²⁴ kg
G = 6,67 *10⁻¹¹ N * m²/kg²
g = ?
R = Rz + h
R = 6370000 m + 828 m = 6370828 m
m *g = G * Mz *m /R²
g = G * Mz /R²
g = 6,67 *10⁻¹¹ N * m²/kg² * 5,97 *10²⁴ kg /(6370828 m )²
g = 39,82 *10¹³ N /kg /40,6 *10¹² m²
g ≈ 9,81 N/kg
g =9,81m /s²
[ N/kg ] = [ kg * m/s²/kg] = [ m/s²]