1) A baseball is hit from a height of 0.8m. After t seconds. its height h, in metres is measured by h = -5t^2 + 20t + 0.8
a) use the method of completing the square to find the maximum height of the ball?
b) How long is the ball in the air?© BrainMass Inc. brainmass.com March 4, 2021, 6:26 pm ad1c9bdddf
This shows how to use completing the square to find maximum height, and how to calculate how long a ball is in the air.