Recent content by WhataRecch

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    Simple harmonic motion and central forces.

    Homework Statement Assuming Earth to be a solid sphere, show that if a straight hole were drilled from pole to pole that a particel dropped would undergo simple harmonic motion. Show that the period of the oscillation depends only on the Earth's density and is independent of size. What is...
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    Substitution for double integrals

    Homework Statement Find a transform T that maps the unit square in the u-v plane to a quadrilateral with corners (1,2), (3,3), (4,2) and (2,1) to the x-y plane. Homework Equations The Attempt at a Solution I've been able to create the proper region in the x-y plane when I have the transform...
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    Problem with basic integration review

    I'm in a second year Calculus class, and we're doing review from first year integration, and it's just unbelievable how easily this stuff leaves your memory. I shouldn't have thrown out last year's notes. I can't for the life of me remember what techniques I'm suppose to use to integrate...