Home > PC > Chapter 11 > Lesson 11.1.2 > Problem 11-31
A water balloon is tossed from the top of a walkway so that its height above the ground is found by
First determine when the ball hits the ground, or when
The ball hits the ground when
The velocity is the instantaneous rate of change (IROC). See the Math Notes box in Lesson 9.2.1 for the formula.