Tolong dong dijawab nomor 8,9,10 pke caraa Ntr dikasih rate

8. F = m.a = 240N
A = F/P
A = 240N/16000Pa
A = 0,015 m²
9. Ph = p(rho).g.h
Ph = 1000.10.14
Ph = 140000N
10. p1 = 1000kg/m³ = 1g/cm³
p(rho)1.h1 = p(rho)2.h2
1.(18-3) = p2.18
15 = p2.18
p2 = 15/18 = 0,8333...g/cm³ = 0,8g/cm³