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An air gap capacitor is constructed of two parallel 20.0cm x 2.00 cm metal plates separated by a distance of 100.0 um. A potential difference of 12.0 V is placed across the structure. Calculate
a.) The capcitance of the structure.
b.) The charge density on the plates.
c.) The electric potential energy stored in the capacitor.
To get an idea of how empty deep space is on the average, perform the following calculations. Find the radius of a sphere of this volume in light years
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A hydrogen atom in the ground state absorbs a 20 eV photon. What is the speed of the liberated electron
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You are setting up two standing string waves. You have a length of uniform piano wire that is 6.0m long and has a mass of 0.150kg . You cut this into two lengths, one of 2.6m and the other of 3.4m , and place each length under tension. What should..
Suppose that we align a compass needle with the horizontal component of the Earth's magnetic field, What is the size of the horizontal component of the Earth's magnetic field
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