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Thread: ookkaaayy here we go :)

  1. 19-06-09 08:02 PM #1
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    ookkaaayy here we go :)

    could anybody tell me:
    the weights of fresh and salt water (in kg please)
    how too calculate buoyancy
    how too calculate the volume of water (at any temperature)


    i have nothing else better too do =[ may as well keep the old noggin ticking over



    cheers in advanced
    Liam
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  2. 19-06-09 08:09 PM #2
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    Quote Originally Posted by LiamS View Post
    the weights of fresh and salt water (in kg please)
    a kilo of salt water & fresh water weighs the same
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  3. 19-06-09 08:12 PM #3
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    Quote Originally Posted by weazelz View Post
    a kilo of salt water & fresh water weighs the same

    i was sure there was a difference (albeit very small?)

    due to the salt content?
    Liam
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  4. 19-06-09 08:12 PM #4
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    Quote Originally Posted by LiamS View Post
    i was sure there was a difference (albeit very small?)

    due to the salt content?
    nope, a kilo of each weighs exactly the same
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  5. 19-06-09 08:13 PM #5
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    Learn to spell first, maths is too hard.


    PS You lose!
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  6. 19-06-09 08:13 PM #6
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    The difference is in the volume.

    Another way to think about it is this ... 1L of fresh water does not weight the same as 1L of seawater.

    K.

    Quote Originally Posted by LiamS View Post
    i was sure there was a difference (albeit very small?)

    due to the salt content?
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  7. 19-06-09 08:13 PM #7
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    How will it keep your brain going if I tell you how to do it??

    You have been expected to get an A+ gcse??

    Water is 1 gram per cubic centimetre

    Buoyancy is to do with the mass of an object and the amount of water it displaces .

    Archimedes Eureka!!!

    Next Google is your Friend.....
    Resistance is futile!!!
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  8. 19-06-09 08:15 PM #8
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    Quote Originally Posted by weazelz View Post
    nope, a kilo of each weighs exactly the same
    whoops sorry i meant how much a litre of each weighs
    Liam
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  9. 19-06-09 08:17 PM #9
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    Quote Originally Posted by bubbleless View Post
    How will it keep your brain going if I tell you how to do it??

    You have been expected to get an A+ gcse??

    Water is 1 gram per cubic centimetre

    Buoyancy is to do with the mass of an object and the amount of water it displaces .

    Archimedes Eureka!!!

    Next Google is your Friend.....

    because once i know those i can go do the harder questions on the internet

    i understand the Archimedes principle

    if the object displaces a higher density of water than itself it is positively buoyant ect
    Liam
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  10. 19-06-09 08:18 PM #10
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    Google is definitely your friend....

    how much does a litre of water weigh - Google Search

    how much does a litre of salt water weigh - Google Search=
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