Question

Vreau ajutor la aceste 2 probleme :
1) m= 250 g
G = 2,455 N
g= ?

2) m= 26 g
Ro = 10.4 g / cm3
G = ?
V = ?
Dau 50 puncte !!

Answer 1

1.m=250 g=0,25 kg

G=mg=>g=G/m=2,455/0,25=9,82 m/s²

2.m=26 g=0,026 kg

G=mg=0,026*9,81=0,25506 N

ρ=m/V=>V=m/ρ=26/10,4=2,5 cm³