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## Homework Statement

Two cylindrical pipes both carry an ideal fluid (zero viscosity) in laminar flow. Pipe A has radius Ra = 2 and flow velocity Va = 8cm/s. Pipe B has radius Rb = 4cm and flow velocity Vb = 4cm/s.

A) Calculate the cross section of pipe A and pipe B.

B) Calculate the rate of flow in liters/second (1l = 1000cm cubic)

## Homework Equations

maybe v1a1 = v2a2 ?

## The Attempt at a Solution

v1a1 = v2a2

= (8cm/s)(2cm) = (4cm/s)(4cm) = 1 ?

It`s wrong.

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