No 11-14 .Mohon bantuannya plz :(​

• F=k*x

7,5=k*5

750=k5

k=150N/m(e)

• Fa=ρ*v*g

Fa=1*(10/5)*10

Fa= 1*2*10

Fa=20N(a)

• σ =F/A

σ =2/5

σ =0,4(a)

• F2/A2=F1/A1

F2/30=50/10

F2*10=30*50

F210=1500

F2=1500/10

F2=150(b)

Jadiin Jawaban Terbaik Ya!