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High voltage power transmission lines are made out of aluminum with a crosssectional area of about 4.4 x 10-4m^2. These lines typically carry currents of 1.3-A.
The transmission current and the return current flow through high tension cables strung roughly 0.5-m apart. Prove that we should not notice the forces exerted on the wires by the Earth's magnetic field (average strength of 0.50 Gauss) on on each other.
Compare the forces per unit length with their weight per unit length.
When ultraviolent light with a wavelength of 262nm falls upon a clean metal surface, What is the photoelectic threshold wavelength for this metal
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You brake your Porsche with constant acceleration from a velocity of 23.6 m/s to 12.5 m/s over a distance of 105 m. How much time elapsed during this interval
two point charges of the same magnitude but opposite signs are fixed to either end of the base of an isosceles
A driver makes 2.5 revolutions on the wayfrom a 10m high platform to the water. Assuming zero intialvertical velocity, find the average angular velocity during the dive
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A roach that runs for its life because you try to hit it with your physics book runs off the horizontal tabletop with a speed of 0.64 m/s. Find the height of the table
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a string 0.260 m long vibrating in the m 6 harmonic excites an open pipe 0.880 m long into its third resonant
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a coil of wire is connected to an ideal 6.0-v battery at t 0. at t 10.3 ms the current in the coil is 200 ma. one
The radius of the earth's orbit around the sun (assumed to be circular) is 1.50 x 10^8 km, and the earth travels around this orbit in 365 days. What is the radial acceleration of the Mercury
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