When an object is thrown upwards or down it is equipped with a MRUV (rectiriño uniformly varied motion.) to be to emit this type of movement is need to remove the air is vertical shooting is done in a vacuum.
acceleration that acts is called acceleration of gravity and is symbolized by the letter g. For our calculations we will use the value of g = -9.8 m / s ↑ 2 because we believe that everyone is directed upwards has a positive sign (+) and down (-) negative.
Formulas:
h = ½. g. t ↑ 2 + vi. t
g = (vf-vi) / t
2. h. ↑ 2 g = vf - vi ↑ 2
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