Question

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a garden hose of diameter 2cm is used to fill 1000 litre container in a time of 10 minutes.calculate the flow rate in cubic cm per second​ .​

Answer 1

Answer:

Correct option is

C

106 cm/s

Given,

Area, A=

4

πd

2

=

4

π

(0.02)

2

Volume rate of flow,

V

˙

=

time

volume

=

60

20L

=

3

10

−3

m

3

s

−1

Volume rate of flow = Cross-Section Area x Velocity of Flow

V

˙

=Av

v=

A

V

˙

=

3

10

−3

×

π(0.02)

2

4

=1.06ms

−1

=106cms

−1

Hence, velocity of water leaves hose is106cms

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