Question

a section of tube of radius 5
cm with a velocity 10 m/s, with what
velocity does the liquid leave another
section of the tube of radius 4 cm ? The
tube is horizontal
(A) 0.625 m/s
(B) 5.625 m/s
(C) 15.625 m/s
(D) 24 m/s​

Answer 1

Answer:

We know,

According to equation of continuity,

Av=constant

πR

1

2

16=πR

2

2

v

v=

R

2

R

1

2

×16=25m/s

Option A is the correct answer

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