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The hydrogen atom consists of one electron and one proton. In the Bohr model of the hydrogen atom, the electron orbits the proton in a circular orbit of radius 0.529 ×1010 meter.
Find the electric potential due to proton at electron orbit?
The lens-to-retina distance of a patient is 0.0201m and the totally relaxed strength of her eye is 50.0D. (a) What lens strength will correct her distant vision? (b) If the eye has an 8% ability to accommodate, what will be the closest object she can..
A bicycle has wheels with a diameter (DIAMETER, not radius) of 0.620 m. Find the linear acceleration of the bicycle
an object is hanging by a string from the ceiling of an elevator. the elevator is moving upward with a constant speed.
If you are cruising down the road at 50 mph and a policeman with a radar gun (wavelength 1 cm) reflects radar light off your bumper, what wavelength of radar light does he get back
The temperature coefficient of resistivity for the metal gold is 0.0034 (C°)-1, and for tungsten it is 0.0045 (C°)-1. what is the percentage increase in the resistance in a tungsten wire
A small object of mass 0.0150kg & a charge of 3.1 uC hangs fromthe ceiling by a thread. determine the tension in the thread
The fastest recorded pitch in Major League Baseball was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally, How fast was Ryan's pitch
A slinky with N even loops of area A is L long. You hook it up to a circuit and increase the current at a rate of 2.0 A/s, Now calculate the new induced EMF
A heat engine with a thermal e?ciency of 37% does 175J of work per cycle. How much heat is extracted from the hot reservoir per cycle
If the pipe is open at one end only, how many harmonics are possible in the normal hearing range from 20 to 20000 Hz
A student sits on a rotating stool holding two 3.0 kg objects. When his arms are extended horizontally, Find the new angular speed of the student
The Specific heat of a substance varies with temperature according to the function c=0.20 + 0.14T + 0.023T2, Determine the energy required to raise the temperature of 2.0 gram of this substance from 5.0oC to 15oC
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