Solve the each part of following question given below:
Question: A diver springs upward with an initial speed of 1.89 m/s from a 3.0-m board.
Part A: Find the velocity with which he strikes the water. [Hint: When the diver reaches the water, his displacement is y = -3.0 m (measured from the board), assuming that the downward direction is chosen as the negative direction].
Part B: What is the highest point he reaches above the water?
Please provide correct answer for above question.