# The height in feet of a golf ball hit into the air is given by #h= -16t^2 + 64t#, where t is the number of seconds elapsed since the ball was hit. How long does it take for the ball to hit the ground?

##### 1 Answer

Jul 11, 2017

**After** **seconds the the ball will hit the ground.**

#### Explanation:

When hitting the ground ,

After