What must be the length of the bar
A 20 mm diameter steel bar is to be used as a torsion spring. If the torsional stress in the bar is not to exceed 100 MPa when one end is twisted through an angle of 15degree, what must be the length of the bar?
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Given the returns and probabilities for the three possible states listed here, calculate the covariance between the returns of Stock A and Stock B. For convenience, assume that the expected returns of Stock A and Stock B are 0.13 and 0.18, respect
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A questionnaire has 10 questions that require a ranking of 1 to 5, 5 being the highest value. The next 10 question requires ranking from 1 to 10, 10 being the highest value. Is it possible to make a direct comparison with any non parametric analys
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