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Posted by **mohammad** on Saturday, November 12, 2011 at 12:35am.

- physics -
**mohammad**, Saturday, November 12, 2011 at 2:13pmWe 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

- physics -
**mohammad**, Saturday, November 12, 2011 at 2:14pmsorry. 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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