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How many drops per second keeps the protagonist awake? answer check

  1. Dec 24, 2013 #1
    1. The problem statement, all variables and given/known data

    Your roommate is an aspiring novelist and asks your opinion on a matter of physics. The novel's central character is kept awake at night by a leaky faucet. The sink is 19.6cm below the faucet. At the instant one drop leaves the faucet, another strikes the sink below and two more are in between on the way down. How many drops per second are keeping the protagonist awake?

    2. Relevant equations

    None

    3. The attempt at a solution

    Capture.JPG
     
  2. jcsd
  3. Dec 24, 2013 #2
    You had a couple of slips in labeling units correctly, but that did not affect the final result, which is correct.
     
  4. Dec 25, 2013 #3
    Like where 980ms^-2 should be 980cms^-2.
     
  5. Dec 25, 2013 #4
    That is one.

    Another is where you calculate how many frames you have in one second. Obviously, the dimension of that is s-1.
     
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