anonymous
  • anonymous
:)
Mathematics
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anonymous
  • anonymous
:)
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@Hero do you know how to do this? :)
anonymous
  • anonymous
ooh, I did too :/ next time I will :D
anonymous
  • anonymous
okay, thanks! :) I'm tired too, I've been working on it like all day..ha, byee :D

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anonymous
  • anonymous
okay, will do :D thank youu (:
anonymous
  • anonymous
@Hero heey (:
anonymous
  • anonymous
soo can you help me? :) hehe
phi
  • phi
You have an equation using the equation t=k/p Your first step is figure out what k is, to do that, replace t and p with a pair of numbers that "go together" They give you one pair of numbers, the first line in your table. Can you find k?
anonymous
  • anonymous
yeah, but what would be the pairs for the others? like how do I figure it out? :/
phi
  • phi
what is k ?
anonymous
  • anonymous
ooh, I don't know :/
phi
  • phi
the first line says depth pressure time 0ft 1atm 60min they give you a p (1 atm) and time (60 min) use this info in t=k/p to find k
anonymous
  • anonymous
so 60=k/1 ..i would times both sides by 1?
phi
  • phi
you could, but anything divided by 1 is itself, so just rewrite k/1 as k you get k= 60
anonymous
  • anonymous
ooh okay
phi
  • phi
so make a note, your equation is t= 60/p
phi
  • phi
now to use this equation, you need to find the pressure at each depth in the table. Activity 1 gives an equation for how to find the pressure at a depth. Can you use it to fill in the pressure column ?
anonymous
  • anonymous
the d=33+1 equation? :S
anonymous
  • anonymous
i mean d/
phi
  • phi
yes, but get the details right. What is the equation for finding P ?
anonymous
  • anonymous
p=d/33+1? i don't know :(
phi
  • phi
yes, that is it.
phi
  • phi
They say The pressure P (atm) varies with depthd( ft) according to the equation P= d/33 + 1 You have to be able to read complicated sentences. It's not math, but reading. but to continue, for each depth in your table, you use this equation to find the pressure at that depth. for example, for d=0 ft (depth is zero feet) , replace d with 0 in the equation P= 0/33 + 1 = 1 P is 1 at depth= 0 feet can you fill in the rest of your depths with the pressure at that depth ?
anonymous
  • anonymous
yes! what about the time?
phi
  • phi
one step at a time. Once you have the pressures filled in, you go back to the equation we figured out already, t = 60/p to find the time (in minutes)
anonymous
  • anonymous
you are brilliant! thank you so much phi...once again!!!! :D
phi
  • phi
If you want, you can post your results so we can check them.
anonymous
  • anonymous
okay, will do :D!
anonymous
  • anonymous
p=33/33+1=2 t=60/2=30 hopefully I got this right? if I got that right then I'm sure the rest are :D
phi
  • phi
looks good. btw, you will get fractions (or decimals) for depth=20,
anonymous
  • anonymous
:D thank youu

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