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m^3 = 1000000 cm^3
1 cm^3 wazy zatem 0,8 g
objestosc w zadniiu 4,5 cm*3
wowcas masa 4,5 cm^3 wazy 3,6 gram
d = 800kg/m3
v = 4,5 cm3
Szukane :
m = ?
m = dv
m = 800 × 4,5
m = 3,6 g
objetosc=4,5cm3
gestosc=800kg/m3
szukane:
masa=?
Obliczenie: 800kg/m3 * 4.5m3= 3600 kg.