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The density of a 2.79-m long rod can be described by the linear density function ?(x) = 109 g/m + 10.1x g/m2. One end of the rod is positioned at x = 0 and the other at x = 2.79 m.
a) Determine the total mass of the rod.
b) Determine the center-of-mass coordinate.
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An inductor in the form of a solenoid contains 410 turns and is 12.0 cm in length. What is the radius of the solenoid
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