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F = 1,7 N
V = 10 cm³
g = 10 m/s² = 10 N/kg
szukane:
d = ? - gęstość
Rozwiązanie:
d = m/V
ale:
F = m · g /:g
m = F/g = 1,7N / 10N/kg = 0,17 kg = 170 g
d = 170g / 10cm³
d = 17 g/cm³ = 17 000 kg/m³