Posted by **flame** on Monday, September 27, 2010 at 1:00am.

A horizontal pipe 17.00 cm in diameter has a smooth reduction to a pipe 8.50 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, at what rate does water flow through the pipes? The velocity is the same for both, how do i convert the answer to kg/s

- physics -
**MathMate**, Monday, September 27, 2010 at 9:48am
Sorry, I did not see your last response/question.

You'll find it here:

http://www.jiskha.com/display.cgi?id=1285307212

or, reproduced below:

# physics - flame, Sunday, September 26, 2010 at 8:57pm

how do i convert the answer to kg/s

# physics - MathMate, Monday, September 27, 2010 at 9:44am

Flow is given by the product of the water velocity (m/s) and cross sectional area (m²), multiplied by the density ρ (1000 kg/m³).

or,

Q=A1*V1*ρ (in kg/s)

- physics -
**flame**, Thursday, September 30, 2010 at 12:47am
for the answers, which velocity do i chose to convert to kg/s

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