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Physics, 29.06.2019 04:00 avalonr2003
An atom of argon has a radius of 71.pm and the average orbital speed of the electrons in it is about ×3.9107/ms. calculate the least possible uncertainty in a measurement of the speed of an electron in an atom of argon. write your answer as a percentage of the average speed, and round it to 2 significant digits.
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Physics, 22.06.2019 16:00, blythephillips2734
An charge with mass m and charge q is emitted from the origin, (x, y)=(0,0). a large, flat screen is located at x=l. there is a target on the screen at y position y(h), where y(h) > 0. in this problem, you will examine two different ways that the charge might hit the target. ignore gravity in this problem. 1.assume that the charge is emitted with velocity v(0) in the positive x direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive y direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l. 2.now assume that the charge is emitted with velocity v(0) in the positive y direction. between the origin and the screen, the charge travels through a constant electric field pointing in the positive x direction. what should the magnitude e of the electric field be if the charge is to hit the target on the screen? express your answer in terms of m, q, y(h), v(0), and l.
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An atom of argon has a radius of 71.pm and the average orbital speed of the electrons in it is about...
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