Potential energy of water converted to electric energy
Water flows over Victoria Falls, which is 128 m high, at an average rate of 1.80 x 106 kg/s. If one third the potential energy of this water were converted to electric energy, how much power would be produced by these falls?
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Does your experimental drug affect cholesterol? You run a study where the 15 subjects in group #1 receive the experimental drug and the 15 in group #2 receive a placebo. A t-test on your data yielded an observed value of 2.01.
What's the future value of a 3%, 5-year ordinary annuity that pays $400 each year? Round your answer to the nearest cent. If this was an annuity due, what would its future value be? Round your answer to the nearest cent.
Claim: Movie patrons have IQ scores with a standard deviation that is less than the standard deviation of 15 for the general population. A simple random sample of 40 movie patrons results in IQ scores with a standard deviation of 14.8.
Suppose that there is a 1% probability that operational risk losses of a certain type exceed $10 million. Use the power law to estimate the 99.97% worst-case operational risk loss when the parameter ?
Association of Realtors , 44% of U.S. homes sold in March 2010 wre purchased by first time home buyers. A random sample of 170 people who just purchased homes is selected. Calculate the standard error of the proportion and
A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 5.0 m/s at the end of 2.0 s. At that instant, the kinetic energy of the system is 100 J and each mass has moved a distance of 5.0 m. Determine
Solid mensuration, An isosceles trapezoid has an area of 40meter sq. And an altitude of 2m its 2 bases have ratio of 2:3 what are the lengths of the bases and one diagonal of the trapezoid
Assume you are in charge of a production line which allows for no more than 1% defectives in order to be in compliance. A random sample of 500 is tested and 4 defective items are found. Based upon this evidence, is your production line in complian
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Identify and discuss at least two hormones involved in a child's growth? Discuss the impact of two hormones given to Peter on his body.
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Impact of pharmaceutical price regulations on patient health outcomes and social welfare has remained a contentious and much debated health policy issue
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Question: Which of the following are potential outcomes of excessive calcium intakes?