h2 = 10cm.sin30° h3= 20cm.sin30°
= 10.0,5 =20.0,5
H2= 5cm = 0,5m h3=10cm
= 0,1m
ð P1 = patm = 101 kpa
ð P2 = patm
+ p
minyak
= p1 + pro.g.h2
= p1 + 800.10.0,05
= 101 kpa + 400 pa
= 101 kpa + 0,4 kpa
= 101,4 kpa
ð P3 =patm
+ ph
minyak + ph air
= p2 + ρa.g.h3
= 101,4kpa +
1000.10.0,1m
= 102,4kpa
ð P4 = p3 + ph
raksa
= p3 + ρr.g.h4
= p3 + 13000.10.0,1pa
= 102,4 kpa + 13 kpa
= 115,4 kpa
2.
3.
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