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Math Help - Elementary Physics question

  1. #1
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    Elementary Physics question

    A bicyclist starts from at an acceleration of (1.2m/s^2) (1.2 meter per second squared).. how far must he travel to reach a speed of 7m/s.(that 7 meters per second..not second squared)..Can you show how to do this, what is needed to know?
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  2. #2
    A Plied Mathematician
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    How do you handle problems that have a constant acceleration?
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  3. #3
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    e^(i*pi)'s Avatar
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    From what I can tell you need to know the initial speed of the cyclist
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  4. #4
    MHF Contributor Unknown008's Avatar
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    Do you know the definition of acceleration?

    Basically, we can say in algebra that:

    a = \frac{v - u}{t}

    That is acceleration (constant) is the rate of change of velocity.

    From there, you can derive other formulae that can help you better than others depending on what is given.
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  5. #5
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    5.83...im confused because the time goes from seconds squared to just seconds
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  6. #6
    A Plied Mathematician
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    When the acceleration is constant, what does the position function look like?
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  7. #7
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    what a waste of time...
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  8. #8
    A Plied Mathematician
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    Excuse me? What's a waste of time?
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  9. #9
    MHF Contributor Unknown008's Avatar
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    So, you rather get away with only the answer with nothing learnt from what you didn't understand?
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