Velocity of a rock

What is the initial velocity of a rock that is thrown vertically to a height of 100m before it returns to earth? Use g = 9.8m/s^2 and note that h"(t) = -g for the height h(t)


Answers can be viewed only if
  1. The questioner was satisfied and accepted the answer, or
  2. The answer was disputed, but the judge evaluated it as 100% correct.
View the answer
  • Leave a comment if you need any clarifications.

The answer is accepted.