Explain how to rotate axes to eliminate xy term for equation
Jose and Aparna were trying to rotate axes to eliminate xy term for equation x^2+2xy+3y^2-4x+5y-30. Jose used a=-pi/8 and Aparna a=3pi/8 used. Students got different equations in x' and y', but both were right. Describe how this is possible.
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Jose used a=-pi/8 and Aparna a=3pi/8 used. Students got different equations in x' and y', but both were right. Describe how this is possible.
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Clothing consists of a static coefficient of friction against steel in the range .6 to 1.0 and a kinetic coefficient in the range of .4 to .7. Determine the minimum rotational frequency in rpm, for which the ride is secure?
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