How many revolutions per second does the electron make
In a simple model of the hydrogen atom, the electron moves in a circular orbit of radius 0.053 nm around a stationary proton. How many revolutions per second does the electron make?
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If a test charge is positioned near a charged body, does the charge itself exert a force directly acting on the test charge, or is there something else present that exerts a force on the test charge?
A football player kicks a football in a field goal attempt. When the football reaches its maximum height, what is the relationship between the direction of the velocity and acceleration vectors? Assume air resistance is negligible.
1) A legislative committee consists of 13 democrats, 7 republicans, and 3 independents. A delegation of 3 is selected to attend an environmental summit.
Assume that Gonzalez Company purchased an asset on January 1, 2008, for $60,000. The asset had an estimated life of six years and an estimated residual value of $6,000.
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The Divine Merchandising Corporation began March operations with merchandise inventory of 6 units, each of which cost $27. During March, Divine Merchandising made the following purchase.
We have a pumping system that handles dirty fluids with sticky soft particles. For this reason, we are using semi-open impellors on our centrifugal pumps.
If a set of grades on a statistics examination is approximately normally distributed with mean of 74 and a standard deviation of 7.9, find the lowest passing grade if the lowest 10% of the students are given 1.0?
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Which of the following made fallout potentially hazardous to humans? Question options: It was hard to wash off It concentrated
Question: Strontium-90, a radioactive isotope common in nuclear fallout, was of particular concern as a health hazard because?