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An electron in hydrogen atom in the level n = 5 undergoes atransition to level n = 2:
Given: RH = 1.09 X 10 7 m-1 h = 6.627 X 10-34 J. s. C = 2.99 X 10 8 m/s
Mass of electron = me = 9.11 X 10 -31 kg J = kg m2 / s2
A: What would be the region of spectrum for electromagnetic radiation?
B: Find the speed of this electron?
find the equation of parabola from the given data.find a what is the equation of a parabola with vertex 0 0 and focus 0
How many grams of oxygen are in 5.89×1023 formula units of (NH4)2SO4? Express your answer to three significant figures and include the appropriate units
The chef wants to make 210 milliliters of a mixture that contains 48% vinegar. How much vinegar and how much Italian dressing should she use?
What are the asymptotes?
In order to purchase a home, a family borrows $267,000 at 10.8% for 15 yr. What is their monthly payment? Round the answer to the nearest cent.
Assuming both retire at 70, and that the interest rate both get on their investments is 10% (compounded annually) who has the most money in their account at age 70? Explain why you pick the answer you pick.
They seek out several people who invest in Hill Pty Ltd. Jack and Jill then form Hill Pty Ltd, the investors transfer $20,000,000 to Hill Pty Ltd, Hill Pty Ltd purchases the real property for $4,800,000 (the price agreed by Jack and Jill) and con..
Sheets of metal pass sequentially through 4 presses: shear, punch, form, and bend. Each machine is subject to downtime and die change.
A sold his car to B at 20% profit of the cost price but incurred a net loss of 10% because of extra expenses. What percent of the total cost was spent on extra expenses?
You are currently working as an administrative assistant for a large metropolitan hospital. You have been asked to prepare an article for the hospital
A tank on a water tower is a sphere of radius10 feet. Determine the depths of the water when the tank is filled to one-fourth and three-fourths of its total.
Suppose when r = 5m,h = 10m and the height is decreasing by 5 m/s, you are told that the volume is increasing by 8π m3/s. How fast is the radius of the base changing?
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