Physics
posted by Jake
Water flows through a pipe of radius 4 cm at a rate of 3.5 m/s. Suppose each water molecule is singly ionized (highly unrealistic).
a) What is the electric current density associated with the flow of these ions?
b) What is the electric current in the pipe?

Damon
current is Coulombs per second. What did you try to do?
Respond to this Question
Similar Questions

Physics
The water flowing through a 1.9 cm (inside diameter) pipe flows out through three 1.3 cm pipes. (a) If the flow rates in the three smaller pipes are 24, 18, and 13 L/min, what is the flow rate in the 1.9 cm pipe? 
Physics
A water pipe is made of iron with an outside diameter of 2.5 cm and inside diameter of 2.0 cm. The pipe is used to ground an electric appliance. If a current of 20 A flows from the appliance into the water pipe, what fraction of this … 
Physics
Water flows under pressure from one pipe into a second pipe having half the diameter. The volume flow rate in the narrow pipe is ________ that in the wide pipe, and the speed of the water in the narrow pipe is _______ that in the wide … 
physics
A 6.6 diameter horizontal pipe gradually narrows to 3.6 . When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 and 26.0 , respectively. What is the volume rate of flow? 
PHYSICS!!!
Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.70 105 Pa and the pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.22 … 
Physics
Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.85x10^5 Pa and the pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.28X10^5 … 
Physics
Water flows through a pipe of radius 4 cm at a rate of 3.5 m/s. Suppose each water molecule is singly ionized (highly unrealistic). What is the electric current density associated with the flow of these ions? 
Fluid Mechanics
Water flows into a cylindrical tank through pipe 1 at a rate of 25 ft/s and leaves through pipe 2 at 10 ft/s and through pipe 3 at 12 ft/s. Pipe 4 is an open air vent. Internal diameters of the pipes are: D1=3 in, D2= 2 in, D3=2.5 … 
Physics
The pressure of water flowing through a 6.5×10−2−m radius pipe at a speed of 1.8m/s is 2.2 × 105 N/m2 What is the flow rate of the water? 
Physics
The Equation of Continuity states that the mass flow rate has the same value at every position along a tube that has a single entry and a single exit point for fluid flow. Basically it boils down to the idea that the fluid doesn’t …