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Math Help - Need help with equations of motion

  1. #1
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    Need help with equations of motion

    Assume that g = 10 ms-2
    A particle of mass 3 kg is initially (t = 0) at height z(0) = 20 metres and has zero initial velocity.
    Assuming zero drag
    the height of the particle after 5 seconds = z(5) = ______?_____ metres

    I'm sure it's fairly simple but the answers i keep getting are ridiculous
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  2. #2
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    Re: Need help with equations of motion

    Is that after its bounced several times ?
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  3. #3
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    Re: Need help with equations of motion

    No, but don't worry i figured it out
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  4. #4
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    Re: Need help with equations of motion

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