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raleung2

  • 2 years ago

express 40lbs. per square ft. in pounds per square inch

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  1. raleung2
    • 2 years ago
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    work pleASE! :d

  2. brinethery
    • 2 years ago
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    40lbs/ft^2 *((1ft)^2/(12in)^2 = 40 lbs/ft^2 *(1ft^2/144in^2)

  3. brinethery
    • 2 years ago
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    @raleung2 bossy?

  4. raleung2
    • 2 years ago
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    no D:

  5. brinethery
    • 2 years ago
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    write that down on a piece of paper with horizontal division lines. See how the "ft^2" cancels out? You just end up dividing 40 by 144.

  6. raleung2
    • 2 years ago
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    wait im confused. what the answer?

  7. brinethery
    • 2 years ago
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    http://www.youtube.com/watch?v=ppaCtBbwISo

  8. raleung2
    • 2 years ago
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    soo whats the answer?

  9. brinethery
    • 2 years ago
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  10. brinethery
    • 2 years ago
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    I know you can figure this out!

  11. raleung2
    • 2 years ago
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    im trying... LOLOL

  12. brinethery
    • 2 years ago
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    With any of these conversion problems, you get it so the units you don't want cancel out. Just divide 40 by 144 and your answer will be in lb/in^2

  13. brinethery
    • 2 years ago
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    Look up unit conversions in google and search by "videos."

  14. raleung2
    • 2 years ago
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    im confused? just tell me the answer/

  15. brinethery
    • 2 years ago
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    Do you need to know this for an exam? Fine, here it is. 0.278 lb/in^2. Can you watch at least one video on how to do these?

  16. raleung2
    • 2 years ago
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    okay and yes/

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