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In the ground state of the hydrogen atom, the electron has a total energy of -13.6 eV.
(a) Find its kinetic energy and
(b) Determine its potential energy if the electron is a distance 16a from the central nucleus? Here a is the Bohr radius.
Bohr Radius =52.92*10-12 m
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According to one set of measurements, the tensile strength of hair is 196MPa , which produces a maximum strain of 0.380 in the hair. What is the magnitude of the force giving this tensile stress
The 95 mu F capacitor in a defibrillator unit supplies an average of 6500 W of power to the chest of the patient during a discharge lasting 5.0 ms
The CGS unit for measuring the viscosity of a liquid is the poise (P): 1 P = 1 g/(s·cm). Express this viscosity in poise
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A wheel of 40cm radius rotates on a stationary axle. It isuniformly speeded up from rest to a speed of 900 rpm in a time of20s. determine the tangential acceleration of a point on its rim
The loaded cab of an elevator has a mass of 3.6 x 10^3 kg and moves 193m up the shaft in 20s at constant speed. At what average rate does the force from the cable do work on the cab.
a diver runs horizontally off the end of a 5 m high diving board at 8 ms.a. how long does it take for the diver to hit
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