Oblicz masę deski o wymiarach 5m x 30cm x 5cm i gęstości 500kg/m3(szescienny)
Dane
g - 500kg/m3
V= 5m * 30 cm * 5cm
V=5m * 0,3 m * 0,5m
m=g*V[kg/m3 * m3= kg] i to sie skraca i co dalej?
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Dane
g - 500kg/m3
V= 5m * 30 cm * 5cm
V=5m * 0,3 m * 0,05m
m=g*V[kg/m3 * m3= kg]
v=0,075
m=g*v
m=500kg\m3*0,075m3
m=37.5kg