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In the model of hydrogen atom created by Niels Bohr, the electron moves around the lone proton in the nucleus at a speed of 2.2 x 106 m/s in a circle with radius 5.3 x 10-11 meter. Consider the orbiting electron to be a small current loop, suppose that the proton is massive and stationary.
A) Obtain what is the total energy of the electron?
B) Determine is the total energy positive or negative?
C) Determine the magnetic field created by the electron at the location of the proton.
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A hot ( ) lump of metal has a mass of 250g and a specific heat of 0.25 . John drops the metal into a 500g calorimeter containing 75g of water at . The calorimeter is constructed of a material that has a specific heat of 0.10 . When equilibrium is ..
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