The efficiency of a screw, E, is given by E = ( 2) + , > 0, where is the angle of pitch
Chapter 0, Problem 64(choose chapter or problem)
The efficiency of a screw, E, is given by E = ( 2) + , > 0, where is the angle of pitch of the thread and is the coefficient of friction of the material, a (positive) constant. What value of maximizes E?
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