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    Longer conduit Impedes flow? What?

    Hi all, I am studying for the MCAT and a section in the book lists the equations dT= IR dP=QR dV=iR For thermal, fluid, and electricity flow respectively. It then goes to state that a thicker conduit allows for greater flow. That part makes sense to me because a larger diameter pipe has...
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    Wave on string question

    Hi all, I cannot seem to find a way to justify my book's answer to this problem: One end of a string is shaken each second sending a wave with an amplitude of 10cm toward the other end. The string is 5m long and wavelength of each wave is 50cm. How many waves reach the other end of the string...