A pipe line of diameter 5 cm is connected to a nozzle whose outlet diameter is 1 cm. If water is flowing in the pipe line with a speed of 0.5 m/s, with what speed is water coming out of the nozzle?
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a
7.5 m/s
b
12.5 m/s
c
10 m/s
d
25 m/s
answer is B.
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Detailed Solution
By equation of continuityV1×πr2=V×πR2⇒V1=VRr2=0.5512m/s=12.5m/s
A pipe line of diameter 5 cm is connected to a nozzle whose outlet diameter is 1 cm. If water is flowing in the pipe line with a speed of 0.5 m/s, with what speed is water coming out of the nozzle?