Odpowiedź:
Fg=m•g (wzór na ciężar)
g=10 m/s2= 10 N/kg
d= 997kg/m3
v 1l= 1/1000 m3
v 2l= 2/1000 m3
m=?
m=d•v
m=997kg/m3•2/1000 m3= 997kg/m3•0,002 m3= *skracamy m3* 1,994kg
m=1,994kg
Fg=1,994kg•10 N/kg= *skracamy kg* 19,94N
Ciężar 2 litrów wody wynosi 19,94N
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Odpowiedź:
Fg=m•g (wzór na ciężar)
g=10 m/s2= 10 N/kg
d= 997kg/m3
v 1l= 1/1000 m3
v 2l= 2/1000 m3
m=?
m=d•v
m=997kg/m3•2/1000 m3= 997kg/m3•0,002 m3= *skracamy m3* 1,994kg
m=1,994kg
Fg=1,994kg•10 N/kg= *skracamy kg* 19,94N
Ciężar 2 litrów wody wynosi 19,94N