What is the strength of the magnetic field within solenoid
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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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.
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]
How far was the laser originally from the object in meters? Assume the small angle aprproximation applies.
The greatest fluctuation of energy to be stored by an engine flywheel is 2kJ when the mean engine speed is 4 rev/s. The speed variation is to be limited to ?1% and the mass of the flywheel is 450kg.
A body is acted upon by an upward force of 12N and a horizontal force of 20N to the right. What are the amount and the direction of the resultant?
If we remove both the forces of drag and buoyancy the moment the tip of the tree breaks the surface, how high will the tree y? What is a better way to treat the buoyancy force near the surface?
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