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Consider an electron in the ground state of the hydrogen atom, separated from the proton by a distance of 0.0529 nm.
(a) Viewing the electron as a satellite orbiting the proton in the electrostatic potential, calculate the speed of the electron in its orbit.(b) Calculate an effective escape speed for the electron.(c) Calculate the energy of an electron having this speed.(d) Using this energy, determine the energy that must be given to the electron to ionize the hydrogen atom.
A fuel leak is discovered at this point, and crew calculates that the plane can safely fly no more than 170 km before an emergency landing should be attempted. The only appropriate location for an emergency landing is 100 km north of their current po..
A solid ball and a hollow ball, each with a mass of 2.29 kg and radius 0.115 m, start from rest and roll down a ramp of length 2.77 m at an incline of 32.7°
In an EM wave traveling west, the B field oscillates vertically and has a frequency of 88.0kHz and an rms strength of 6.35×10?9T
A magnetic field is applied perpendicular to the plane of the disk. Assume that the field is 0.900 T, Find the emf generated between the brushes
A block of mass m = 353 g is dragged with a string across a rough horizontal table. What is the power supplied by the force of friction
A thin film of MgF2 (n=1.38) coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500nm and 625nm.
An observer, whose eyes are 1.92m above the ground, is standing 31 m away from a tree. The ground is level and the tree is growing perpendicular to it. The observer's line of sight with the treetop makes an angle of 21° above the horizontal. How t..
On a particular afternoon in Houston, the nitrogen (N2) molecules in the air have an rms speed of 511 m/s. What is the rms speed of the carbon dioxide (CO2) molecules
A tiny source is emitting electromagnetic radiation equally in all directions. What is the power with which the source emits radiation
A satellite with a mass of 250 kg moves in a circular orbit 7.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
A car of mass = 1200 traveling at 65 enters a banked turn covered with ice. The road is banked at an angle , and there is no friction between the road and the car's tires. What is the radius of the turn if = 20 (assuming the car continues in unifo..
Westerly winds coming off the Pacific Ocean rise over the Rocky Mountains, which rise to a height of approximately 15,000 ft (580 hPa). The air on the western side of the mountain range is at 800 hPa (T = 70F, r = 0.75), and will subside on the ea..
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