Determine the radius of the ion
A singly ionized helium atom (He+) has only one electron in orbit about the nuclues. What is the radius of the ion when it is in the excited state defined by n=3?
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The American Veterinary Association claims that the annual cost of medical care for dogs averages $100 with a standard deviation of $30. For cats it averages $120 with a standard deviation of $35.
A small earthquake starts a lamppost vibrating back and forth. The amplitude of vibration of the top of the lampost is 6.0cm at the moment the quake stops, and 7.8s later it is 2.2cm. Part A: What is the time constant for the dampening of the osci
In the Normal model N(100,16) for IQs, what cutoff value bounds the highest 5% of all IQs?
What is the change in entropy using the 2nd Tds relation? what is the change in entropy using the 2nd Tds relation? assuming Cp(T)=[Cp(@T)+Cp(@T2)]/2.
In the Normal model N(100,16) for IQs, what cutoff values bound the middle 80% of all IQs?
During an earthquake, the top of a building oscillates with an amplitude of 30cm at 1.5Hz. Part A: What is the magnitude of the maximum displacement from the equilibrium of the top of the building? (in cm)
Every Normal model is defined by its parameters: the mean and the standard deviation. Suppose that the mean ?= 20, and that 45% of the area is above 30. What is the standard deviation?
A cubical block of side length L has a density DC and floats in a liquid of density DL. The answers should be in terms of these parameters and constants. a) Determine the fraction of the volume of the block that is below the liquid's surface.
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