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Two particles P and Q, each of mass m, are secured at the points of trisection of a light string that is stretched to tension T0 between two fixed supports a distance 3a apart.
The particles undergo small transverse oscillations perpendicular to the equlilibrium line of the string. Find the normal frequencies, the forms of the normal modes, and the general motion of this system.
[Note that the forms of the modes could have been deduced from the symmetry of the system.] Is the general motion periodic?
Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place
A figure showing each score and the number of times each score occurred is a: (a) histogram
Determine a 95% confidence interval for the difference in the mean reductions in blood pressure, assuming that the measurements are normally distributed with equal variances.
Human populations can be modeled using an exponential growth function. Use the Library for research or other resources to find the following:
Prepare a graph of the data. On this same graph, plot a 12-month moving average forecast. Discuss any apparent trend and seasonal patterns
Professor Cox needs a volunteer amongst 30 students in his statistical applications course. The average age of his students is 25 years, with the standard deviation of 3 years.
They found that those with higher levels of cigarette use had lower GPAs, and vice versa. What can you rightfully conclude from this? Why? Be specific about what this kind of information may indicate and mean.
a new phone answering system for a company is capable of handeling seven calls every 10 minutes. prior to installing
a tube of listerine tartar control toothpaste contains 4.2 ounces. as people use the toothpaste the amount remaining in
A battery manufacturing plant normally operates two eight-hour shifts per day and 6 days per week. The manufacturer can produce 375 units per hour.
(a) Does she need to do an experiment, or can she get by with observational study? (The latter would be much easier to do.) (b) If she can use observational data, what else would she have to assume, beyond the response schedule? (c) And, howwould she..
Consider a system of three spin-1/2 particles, each havingz-component of magnetic moment equal to±µ. If there is no external magnetic field (B= 0), all spin states are of the same energy and are equally accessible.
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