Odpowiedź:
zad 1
P = F/S
P = 16N / 4
P = 4 Pa
zad 2
d = m/ V
F = m * g
m = F / g
m = 200 N / 10 N/kg
m = 20 kg
d = 20 kg / 2 m^3
d = 10 km / m^3
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Odpowiedź:
zad 1
P = F/S
P = 16N / 4
P = 4 Pa
zad 2
d = m/ V
F = m * g
m = F / g
m = 200 N / 10 N/kg
m = 20 kg
d = 20 kg / 2 m^3
d = 10 km / m^3