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Math Help - Please help me, urgent

  1. #1
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    Question Please help me, urgent

    My lecturer was asked me to prove that V0= Sqrt(Vi2-2Gs)
    Few more hours then I have to hand in my answer~ who can help me
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  2. #2
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    Re: Please help me, urgent

    I have no idea what your actual question is so how are we supposed to deduce this equation?
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    Re: Please help me, urgent

    hmm, she just want us to prove that v=v something like that.. in the end we have to change to right side v to become sqrt(v^2 - 2gs) as I stated above~ how? lol do we call that derive?
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    Re: Please help me, urgent

    Quote Originally Posted by hann0707 View Post
    My lecturer was asked me to prove that V0= Sqrt(Vi2-2Gs)
    Few more hours then I have to hand in my answer~ who can help me
    There is no context to this question at all. What do the variables represent?
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  5. #5
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    Re: Please help me, urgent

    I wish I can take photo and show you guys the question :/
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    Re: Please help me, urgent

    What is V0? What is Vi? What is G? What is s?
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  7. #7
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    Re: Please help me, urgent

    my advice is: the next time you take a class, pay attention, and ask for help before the last minute. You want your teacher to give you credit for doing something you don't even understand, and you want us to help you in your deceit. I won't, and I don't think anyone else should, but I can hardly stop them.
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    Re: Please help me, urgent

    Quote Originally Posted by hann0707 View Post
    My lecturer was asked me to prove that V0= Sqrt(Vi2-2Gs)
    Few more hours then I have to hand in my answer~ who can help me
    I am going to make some assumptions here, but the others have given good advice about this.

    I'm going to assume you are starting a Summer Physics program of some kind, so your equation would be one involving Kinematics rather than Work-Energy.

    I'll go so far as to give you the two pertinent equations:
    s = \frac{1}{2} (v_0 + v)t

    v = v_0 + at

    As this appears to be part of an assignment that is for a grade let's see what you can do with these.

    -Dan
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