        :
    v(t) = Vo+at
    x:
    X(t) = Xo+Vot+at^2/2
    :
    a = (V-Vo)/t

         g  (   ),  ,      .       ,       ,     .

         .
h = Vot - gt^2/2
h = Vo^2/2g

          9,8/^2  10 /^2.  () ,     , g = 9,80665 /?,       g = 9,81 /?.