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Thread: Need help with physics

  1. October 31st 2012, 03:56 PM #1
    Louisana1
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    Need help with physics

    If a 0.5 kg ball is dropped from a height of 8 m, what is its kinetic energy when it hits the ground?
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  2. October 31st 2012, 03:59 PM #2
    skeeter
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    Re: Need help with physics

    Quote Originally Posted by Louisana1 View Post
    If a 0.5 kg ball is dropped from a height of 8 m, what is its kinetic energy when it hits the ground?
    hint ... initial gravitational potential energy changes to final kinetic energy
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  3. October 31st 2012, 04:18 PM #3
    Louisana1
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    Re: Need help with physics

    mgh? g=9.8
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  4. October 31st 2012, 04:43 PM #4
    skeeter
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    Re: Need help with physics

    yes
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