1. The problem statement, all variables and given/known data Q: An object thrown upwards at V0 reaches a maximum height of 100 m. a. Calculate the initial velocity of V0. b. Calculate the total flight time. c. Calculate the height of the object when v=30 m/s. 2. Relevant equations That is my question what equations do i need to solve this. 3. The attempt at a solution Sorry i couldn't attempt because i couldn't find the appropriate equation.