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1. What are the radii of the orbits, and the linear velocities of the electrons when they are in the n=l and n=2 orbits of the hydrogen atom?
2. Using Bohr's model, deduce an analytical expression for the Rydberg constant as a function of un iversal constants.
3. The He+ ion is a one-electron system simi l ar to hydrogen, except that it has 2 protons. Calculate the wavelength of the longest wavelength line in each of the first three spectroscopic series (n=l , 2, 3).
packets arrive at a router at the rate of 1000 packets per second. in an experiment the number of arriving packets are
A IRS auditor randomly selects 3 tax returns from 48 returns of which 9 contain errors. What is the probability that she selects none of those containing errors? Round to four decimal places.
Carry out the appropriate hypothesis test for testing the null hypothesis that the correlation between FEV values is greater among identical twins than among faternal twins.
An Internal Revenue Service manager is comparing the results of recent taxpayer interviews conducted by two auditors. Of 200 taxpayers audited by Ms. Smith, 30% had to pay additional taxes. Of 100 audited by Mr. Burke, only 19% paid additional t..
If a baseball player's batting average is 0.340 or 34%, find the probability that the player will have a bad season and only score at most 60 hits in 200 times at bat?
Calculate s(k) for each natural number k from 1 through 15. Are the numbers SQRT(5), PI, and -6 in the domain of the function s? What is the domain of the function s?
To find the necessary sample size to achieve the given level of accuracy of prediction.
Assuming that thedistribution has not changed from what it was in the past year, what is the probability that the mean blackness of the spots is less than 1.0?
A survey of n = 703 randomly selected workers showed that 61% of those respondents found their jobs through networking.
The population standard deviation was 1.7 years using .95 degree of confidence what is the confidence interval for the population mean?
There are 30 customers on a given day. What is the salesperson’s expected gross pay and the standard deviation of the salesperson’s gross pay for that day?
Simplify a product of radical expressions. Assume that all variables represent positive real numbers
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