What is the force per unit length between the wires
Two long, parallel wires carry currents of 0.245 A in the same direction. If the wires are 0.034 m apart, what is the force per unit length between the wires? is the force attractive or repulsive? show work.
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The density if water at sixty degrees Fahrenheit and atmospheric pressure is sixty-two point four lbm/ft^3. What is the specific weight of this water? NOTE: Gravity = 31.6 f/s^2
Derive an expression for the water level height h(t) as a function of time and determine the time it takes to drain. Assume the flow is incompressible and inviscid (i.e. use bernoulli).
A water stream is heated in fully developed flow through a pipe with uniform heat flux at the wall. The flow rate is m=10g/s, the heat flux q"=0.1 W/cm2, and the pipe radius r0=1cm.
The maximum discharge is 3,000 CFS when the head on the crest of the spillway is 5 feet. Using a model scale of 1:10, calculate head of the crest of the model for the maximum discharge (in inches).
If the plate is held at 30C, determine the average heat transfer per unit width, assuming that the critical Reynolds number, Re = 500,000.
If no preliminary sample is taken to estimate p, how large a sample is necessary to be 90% sure that a point estimate will be within a distance of .06 from p?
If the speed variation from max to min is not to exceed 0.2 rev/s and the greatest fluctuation in energy during the punching and idling strokes is 7kJ, find the moment of inertia of the flywheel [443.28kg-m^2]
In a long solenoid, the density of the wire is 180 turns/cm. If the current in the wire is 0.680A, what is the strength of the magnetic field within the solenoid?
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