March 29, 2017

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A helicopter is ascending vertically with a speed of 5.20m/s. At a height of 125 m above the Earth, a package is dropped from a window. How much time does it take fo the package to reach the ground? [Hint: The package's initial speed equals the helicopter's}

  • Scientific studies - ,

    vi= 5.2 m/s
    g= -9.8 m/s^2
    d=125 m
    t= ?
    d= vit + gt^2/2


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