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In a simple picture of the hydrogen atom, the electron moves in circular orbits around the central proton attracted by the Coulomb force. The lowest (n= 1) energy orbit that is allowed for the electron is at a radius of 5.29 x 10-11m and the second (n= 2) lowest allowed orbit is at 4 times this radius. Calculate the magnetic field strength at the proton due to the orbital motion of the electron in then= 2 state
Two infinite positively charged plates with a uniform chargedensity of 6.80 mC/m2 are placedparallel to the yz-plane with one plane passing through x = 0.65cm and the other through x = -0.65 cm, as shownin the diagram below
Stone with a mass of 0.800 {rm kg} is attached to one end of a string 0.900 {rm m} long. The string will break if its tension exceeds 65.0 {rm N}. The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string rem..
A red blood cell typically carries an excess charge of about -2.5 × 10-12 C distributed uniformly over its surface. What is the surface charge density on the red blood cell
A negative lens has a focal length of -10 cm. An object is located 20 cm from the lens. determine How far from the lens is the image
Two boxes are seen to accelerate at the same rate when a force Fis applied to the first box and 4F is applied to the secondbox. What is the mass ratio of the boxes?
An insulated piston-cylinder device contains 3 liters of saturated liquid water at a pressure of 150 kPa. A current of 10 Amps flows for 45 minutes through an electrical resistor that is placed in the water, while the water is stirred by a paddle-..
Blood with density 1.06 g/cm^3 and 10-kPa gauge pressure flows through an artery at 27cm/s. What fraction of the artery's area is obstructed
It takes the elevator in a skyscraper 4.1s to reach its cruising speed of 13m/s. A 68kg passenger gets aboard on the ground floor. find the passenger's weight before the elevator starts moving
A child knocks a 1.2 kg vase off of a table 1.5 m above the ground. What impulse did the floor exert on the vase
In a circus act, a 60 kg clown is shot from a cannon with an initial velocity of 14 m/s at some unknown angle above the horizontal. What is the kinetic energy of the clown as he lands in the net
Please address the 2-D/3-D cases for the particle in a finite box of infinite depth. What are the eigenfunctions and eigenvalues now
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed. The radius of the orbit is 3.45 × 10-11 m. Determine the magnitude..
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