March 30, 2017

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A hoodlum throws a stone vetically downward with an initial speed of 12.2 m/s from the roof of a building, 28 m about the ground. How long does it take the stone to reach the ground? What is the speed of the stone at impact?

  • Physics - ,

    hf=hi+ Vo*t + gt
    solve for t Watch coordinate system...

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