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    Jizordyn's Avatar
    Jizordyn Posts: 1, Reputation: 1
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    #1

    Oct 7, 2009, 04:41 PM
    How do you know which equation to use?
    How do you know which equation to use when answering a question when you are no given things such as time, velocity, or distance on gravity problems?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Oct 8, 2009, 12:14 AM

    Well, if it's about gravity, the first formula is:



    Given force and masses, you can find the distance...

    or are you asking something else?
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