No 11&12
mohon bantuannya pake cara ya
mohon bantuannya pake cara ya
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m = 75 kg
g = 10s
F = m . g
= 75 + 10
= 750 N
A = 6 . 5
= 30 m2
P ?
P = F/A
= 750 / 30
= 25 N/m2 ( D )
#12
ρ = 1000 kg/m3
g = 9,8 m/s2
h = 30 cm = 0,3 m
Ph ?
Ph = ρ . g . h
= 1000 . 9,8 . 0,3
= 2940 N/m3 ( C )