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Jawaban:

26.

v1 = 60 m/s

ΔP = 10 N/m²

v2 = ?

ρ = 1,29 kg/m³

ΔP = 1/2 ρ (v2² - v1²)

10 = 1/2 x 1,29 (v2² - 60²)

v2² = 3615,5

v2 = 60,13 m/s

jawab B

27.

TTBx = 20

TTAx = 120

x = ?

c = 30

TTBc = 0

TTAc = 100

(x-TTBx)/(TTAx-TTBx) = (c-TTBc)/(TTAc-TTBc)

(x-20)/(120-20) = (30-0)/(100-0)

(x-20)/100 = 30/100

x = 50

jawab E

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