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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 x106 m/s in a circle with radius 5.3 x 10-11meter. Consider the orbiting electron to be a small current loop, suppose that the proton is stationary and massive.
A) Obtain what is the kinetic energy of the electron?
B) Obtain the electrostatic potential energy of the electron at this location?
rotates to provide an "artificial gravity" of 3.10 m/s2 for persons who walk around on the inner wall of the outer rim. Find out the rate of the wheel's rotation in revolutions per minute that will produce this effect.
The amplitude of the electric field of an electromagnetic wave is 197 V/m.
Communication with submerged submarines via radio waves is difficult because seawater is conductive and absorbs electromagnetic waves. Penetration into the ocean is greater at longer wavelengths, so the United States has radio installations that tran..
A 6.00V lantern battery is connected to a 11.1OMEGA lightbulb, and the resulting current in the circuit is 0.388A. What is the internal resistance of the battery
A simple barometer has a thin layer of water on top of the mercury column. What is the atmospheric pressure
A 2.0m length of metal wire is connected to a 1.5 V battery, and a current of 5.0mA flows through it. What is the diameter of the wire
question1a sailboat is being propelled westerly by the wind at 4ms. if the current is flowing 2ms to the northeast
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4m/s2. Find the maximum height ymax reached by the rocket
A rubber ball of mass 39.0 g is dropped from a height of 1.80 m onto a floor. find impulse was applied to the ball during the collision
In an adventure movie, a 65.0-kg stunt woman falls 7.80 m and lands in a huge air bag. Her speed just before she hit the air bag was 11.1 m/s. What is the total work done on the stunt woman during the fall
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 169000 Pa and the pipe radius is 2.80 cm. Find the volume flow rate through the pipe
You tie a cord to a pail of water, What minimum speed must you give the pail at the highest point of the circle if no water is to spill from it
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