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In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is approximately 0.542 multiplied by 10-10 m. (The actual value is 0.529 multiplied by 10-10 m.)
(a) Find the electric force exerted on each particle, based on the approximate (not actual) radius given.
A conducting spherical shell of inner radius b and outer radius c is concentric with a small metal sphere of radius a
A constant force, F = (4.63, ?3.79, 1.96) N,acts on an object of mass 18.9 kg, What is the total work done by this force
A compact car has a mass of 1170kg. What will be the car's oscillation frequency while carrying four 84.0kg passengers
Determine the capacitance of a Teflon-filled parallel-plate capacitor having a plate area of 1.50 cm2 and insulation thickness of 0.0700 mm
A 100-W driveway light bulb is on 10 hours per day. Assuming thepower company charges 10 cents for each kilowatt-hour of electricity used, estimate the annual cost to operate the bulb.
A neutron decays into a proton, and an electron. The neutron was initially at rest. What is the direction and speed of the proton
A gymnast is performing a floor routine. In a tumbling run she spins through the air, How much time does this maneuver take
A mass m = 6.9 kg hangs on the end of a massless rope L = 2.09 m long. Now a peg is placed 4/5 of the way down the pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. How fast is the mass moving at..
A typical capacitor in an MP3 player has C = 5 ?F. If a charge ±37 ?C is placed on the plates, what is the voltage across the capacitor?
On your way to class you are walking North up the oval. From Dale Hall you walk 180 m towards Nielsen Hall when you meet a friend heading the other direction.
A long, current-carrying solenoid with an air core has 1780 turns per meter of length and a radius of 0.0130 m. What is the mutual inductance of this system
A 1.50 kg water balloon is shot straight up with an initialspeed of 5.00 m/s. What is the maximum height of the balloon
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