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A Rydberg atom is an atom whose valence electrons are in states with a very large principal quantum number n. This means it has a probability cloud with a large amplitude a large distance from the nucleus. Evidence of such atoms has been detected by radio astronomers in the form of radiation from diffuse hydrogen gas in intersellar space. In fact, there is no theoritical limit on the size an atom can attain, provided it is free from outside influences.
1) What is the smallest value of n such that the Bohr radius of a single such hydrogen atom would be greater than 8 microns, roughly the size of a typical single-celled organism.2) What is the wavelength of radiation this atom emits when its electron drops from the n level calculated in part (1) to the n-1 level?3) What is the wavelength of radiation this atom emits when its electron drops from the n level calculated in part (1) then-2 level?
You are a passenger (m = 108 kg) in an airplane that is accelerating on the runway, beginning to take off. The force between your back and your seat is 405 N. how far does the plane travel as it accelerates to a takeoff speed of 125 m/s
An 880 N box is pushed across a level floor for a distance of 5.0m with a force of 440N. How much work was done on the box
A plane electromagnetic wave, with wavelength 1.8 m, travels in vacuum in the positive direction of an x axis. The electric field, of amplitude 370 V/m, oscillates parallel to the y axis.
A 75 kg bobsled is pushed along a horizontal surface by two athletes. After 4.5 m from rest, the bobsled has a speed of 6.0 m/s. How much force did the two athletes push with
A small cork with an excess charge of +6.0 x 10^-6 is placed .12m from another cork, which carries a charge of -4.3 x 10^-6. How many electrons has the positive cork lost.
A particular organ pipe can resonate at 264 Hz, 440 Hz, and 616 Hz, however not at any other frequencies between 264 and 616 Hz. (a) Is this an open or closed pipe? (b) What is the fundamental frequency of this pipe?
Respective velocities of points A (bottom of the wheel), B (top of the wheel) and C (rearmost point of the wheel). Respective accelerations of points A, B and C on the wheel as indicated.
The 80-lb boy and 60-lb girl walk towards each other with a constant speed on the 300-lb cart. find the distance the cart has traveled at the instant the boy and girl meet
A child's toy consists of a m = 26 g monkey suspended from a spring of negligible mass and spring constant k. calculate the speed of the monkey in Ve m/s as it passes through equilibrium
The surface charge density on an infinite sheet of charge is -2 x 10-6 C/m2. Find how far does the proton travel before reaching its turning point
question1asteroids can be classified into two broad groups based on their composition and location carbon-rich
A bullet of mass 4.00g is fired horizontally into a wooden block of mass 1.26kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.240. What was the initial speed of the bullet
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