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

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Homework Statement



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?

Homework Equations



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The Attempt at a Solution



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You had a couple of slips in labeling units correctly, but that did not affect the final result, which is correct.
 
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voko said:
You had a couple of slips in labeling units correctly, but that did not affect the final result, which is correct.

Like where 980ms^-2 should be 980cms^-2.
 
That is one.

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