Electron drift speed in the wire problem
A 0.250-mm-diameter silver wire carries a 40.0mA current. What are (a) the electric field and (b) the electron drift speed in the wire? The resistivity of silver is rho=1.6 10^{-8}Omega m, and the electron density is n=5.8*10^ 28 m^-3
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What constant force, applied parallel to the surface of the ramp, is required to push the box to the top of the ramp in a time of 3.90?
An exit poll of 1000 randomly selected voters found that 515 favored candidate A. Is the race too close to call? Answer this question by performing an appropriate test of hypothesis at 1% level of significance.
Compare the price of the bonds sold by Ethan to bonds yielding areal rate of 6%. What was the approximate real rate of returnearned by the investors?
Cape Horn Company purchased a building on March 1, 1988, at acost of $ 4,186,000. For financial reporting purposes, the buildingwas being depreciated over 372 months at $ 10,500 per month.
Find the 95% confidence interval on the population mean for the preceding problem.
An aluminum baseball bat has a length of 0.619 m at a temperature of 16.7°C. When the temperature of the bat is raised, the bat lengthens by 0.000137 m. Determine the final temperature of the bat.
Show how information about the printing machine transactionswould be reported on the statement of cash flows for years 2004through 2007. Assume the indirect format is used.
Joyful Sound Music Company purchased the net assets (i. e.,assets minus liabilities) of Metrodome Company for $ 845,000.Metrodome is a retailer of music, instruments, and related items.
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