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the wave function describing a state of an electron confined to move along x axis is given at time zero by:ψ(x, 0) = Ae-x^2/2σ^2
find the probability of finding the electron in a region dx centered at
a) x = 0
b) x = σ
c) x = 2σ
d) where is the electron most likely to be found
At a theater, the giant rectangular movie screen has a width 25 feet less than its length. If its perimeter is 318 feet, find the area of the screen.
suppose a motorboat is moving at 40ft/s when its motor suddenly quits and that 10s later the boat has slowed to 20ft/s. assume that the resistance it encounters while coasting is proportional to the square of the velocity (v'=-k(v^2)) how far does..
A boat's crew rowed 9 miles downstream, with the current, in 1.5 hours. The return trip upstream, against the current, covered the same distance, but took 3 hours. Find the crew's rowing rate in still water and the rate of the current.
determine the sequence convergence or divergence if convergence find the limit ?
Project B costs $18,000 and you estimate you could save 18 injuries over the same period. Which project do you recommend? (Assume equal distribution of injuries.)
the well circulated air mixture is vented from the room at the same rate, find a formula for the percentage of carbon monoxide in the room at time t?
Ultimately you decide upon a simple random sample of 90 theatres. Use this data to:
marcy uses a sheet of 8 inch by 11 inch paper to make an open box. She cut x by x squares out of each corner, and folded up the sides. The diagram below shows the finished box.Simplify your expressions and justify your answer to each of the questi..
A spherical weather balloon is being inflated. Beginning at 25 cm, the radius of the balloon is increasing at the rate of 4 cm per second. Express the surface area of the balloon as a function of time t.
A lodge borrows $120,000 for 10 months at an annual interest rate of 9.2%. What is the simple interest due on the loan?
Suppose that you select 3 cards without replacement from an ordinary deck of playing cards. If the first card that you select is a spade and the second is a heart, what is the probability that the third card that you select is a spade?
What three variables are negatively related to competence
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