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Problem: Only a single wire is necessary to make a phone connection. Consider that both terminals have some metallic objects grounded, making the Earth the other wire. Assume these objects are spheres of radius r deep in the ground. The distance between the terminals is L.
1. What is the resistance (due to the earth) between the terminals? Assume that the resistivity of the earth is uniform, and L>>r.
I want you to clarify the physics in this above problem.
A small, 300 g cart is moving at 1.60 m/s on an air track when it collides with a larger, 1.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s.
At a certain location, the Earth's magnetic field has a magnitude of 5.5.*10^-5 T and points in a direction that is 76 degrees below the horizontal. Find the magnitude of the magnetic flux through the top of a desk at this location that measures 140c..
What is the value of the composite constant (Gmer2e), to be multiplied by the mass of the object mo in the equation above
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monochromatic light is normally incident on one face of a prism with a right triangle for a base. the light travels through the prism such that it strikes the hypotenuse of the triangle from inside.
Determine what is the capacitive reactance of an 8.00 mFV capacitor attached to 120 Volt rms at 60 Hertz
a thin rod of length 0.75 m and mass 0.40 kg is suspended freely from one end. it is pulled to one side and then
Consider a Bragg mirror with nhigh=3.5, nlow=3.1, thigh=60.7nm, tlow=68.5nm , estimate the overlap of light with low index material
If you were to take a 60.0 cm long steel bar, and heated it to the point that it would try to expand by 0.50 mm,what is the pressure you would need to apply, to keep it from expanding
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