Question

Tolong jawab mastah

abaikan jawaban ane itu cuma kira kira

Answer 1

Diketahui :
A1 = 2 A2
Q A = 1 l/s = 1000 cc/s
va = 10 cm/s
Q bocor = 50 cc/s

ditanyakan :
vb = ?

jawab :
Qa = A1 va
1000 = 10 A1
A1 = 100 cm^2

Qb = QA - Q bocor
Qb = 1000 - 50 = 950 cc/s

Qb = A2 vb
Qb = 1/2 A1 vb
950 = 1/2 x 100 x vb
950 = 50 vb
vb = 19 cm/s