Question

Proszę o pomóc, +25 pkt dla was i naj.

Answer 1

Odpowiedź:

zad 3

a=2cm

b=10cm

c=1,5m=150cm

d=0,5g/cm³

V=abc

V=2cm*10cm*150cm=3000cm³

m=d*V

m=3000cm³*0,5g/cm³

m=1500g=1,5kg

zad 4

m=125g=0,125kg

d=125kg/m³

V=m/d

V=0,125kg/1,25kg/m³

V=0,1m³