Question

samir throws a ball up in the air. the graph below shows the height of the ball h in feet after t seconds. after how many seconds does the ball hit the ground?

Explanation:

Step1: Understand the graph

The ball hits the ground when its height $h = 0$.

Step2: Locate the $h = 0$ point

Looking at the graph, when $h = 0$, $t=1.5$ seconds.

Answer:

$1.5$