Or
Water running in a cylindrical pipe of inra
diameter 7 cm, is collected in a containera
the rate of 192.5 litres per minute. Find the
rate of flow of water in the pipe in km/h.
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Answer:
Step-by-step explanation:
1 litre = 1000cm^3
192.5 litre = 192500 cm^3
Length of water flowing per minute
= 192500/area of cross section of pipe
= 192500/π×3.5×3.5 = 5000 cm
Speed = 5000 cm/min
= 5 m/min = 300 m/hr = 0.3 km/hr
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