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.
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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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