Recent content by CoconutFred

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    Small block with velocity inside a large block at rest

    Homework Statement Homework Equations (Conservation of momentum) (Conservation of energy) The Attempt at a Solution I know linear momentum must be conserved on the X-axis, so mvo=mv1x+Mv2 where v1 is the final velocity of the small mass and v2 is the final velocity of the large mass...
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    What kind of questions can a high school student answer on PF?

    Hey guys, just a high school student passing by here. I've lurked a bit for a while, made this account because I saw questions that I could actually answer today (yay!). Hope to help as much as I can.
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    Speed of Sound in Air & Resonance in a Pipe

    In order to attempt a solution, you need to understand how the equation λ=4L/n relates to closed-end air pipes. Let's take a crack at that. The gist of it is that since air can only move at the open end of a closed-end pipe, 1 end of a closed-pipe must always be a node while the other end (the...