Solve the all parts of given question:
Question: A ball is thrown from a point 1.15 m above the ground. The initial velocity is 18.8 m/s at an angle of 31.2° above the horizontal.
Part A: Find the maximum height of the ball above the ground.
Part B: Calculate the speed of the ball at the highest point in the trajectory.
Please show all work and equations. Defend your answer.