How much energy is absorbed by the eardrum
A 50dB sound wave strikes an eardrum whose area is 5.6 x 10-5 m2. How much energy is absorbed by the eardrum per second? Take the threshold of hearing to be Io = 10-12 W/ m2 and give your answer in pico-Joules, where 1pJ =10-12 J
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A piano string having a mass per unit length equal to 4.80 10-3 kg/m is under a tension of 1,400 N. Find the speed with which a wave travels on this string.
Jake owns an insurance policy on the life of his father, Mike. Upon Mike's death, the policy proceeds of $1,000,000 are paid to the designated beneficiary, Kate. What are the tax consequences resulting from Mike's death based on the following assu
A test of H0: u=0 based on n=16 calculates tstat = 2.44. a) Determine the degrees of freedom for the test statistic. b) Provide the t values from the Table C that bracket the tstat.
Determine the probabilities that a rejected airfoil is from each of the three machines? Draw a tree diagram of the manufacturing and inspection process.
In 1985, Al and Kelly acquire land for $500,000, with Al furnishing $200,000 and Kelly $300,000 of the purchase price. The title to the property is listed as "equal joint tenancy with right of survivorship."
Individuals Allen and Betty form an S corporation, with Allen contributing cash of $100,000 for a 50% interest and Betty contributing appreciated ordinary income property with an adjusted basis of $20,000 and a fair market value of $100,000.
Calculate the vertical component of the baseball's velocity at each of the two times you found in part A? What is the magnitude of the baseball's velocity when it returns to the level at which it left the bat?
A flat circle of radius 20 is placed in a uniform electric field of magnitude 6.5×102. What is the electric flux through the circle when its face is at 60 degrees to the field lines?
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