Asked by mohammad

Water flows through a 1.2 cm diameter pipe into a 155 L bathtub, which it fills in 8 min.What is the speed of the water in the pipe?

Answers

Answered by mohammad
We know our diameter is 1.2cm so our radius is 0.6 cm or 0.006 m. Now we find our volume flow rate, Q. so 155l/8min * 1min/60s *1m^3/1000L = 3.2292*10^-4 m^3/s.
Velocity= Volume flow rate/Area
V=Q/A
V= 3.2292*10^-4 m^3/s
Answered by mohammad
sorry. here is complete answer.
We know our diameter is 1.2cm so our radius is 0.6 cm or 0.006 m. Now we find our volume flow rate, Q. so 155l/8min * 1min/60s *1m^3/1000L = 3.2292*10^-4 m^3/s.
Velocity= Volume flow rate/Area
V=Q/A
V= 3.2292*10^-4 m^3/s/ pie*((6*10^-3)^2)
V=2.8 m/s
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