Question

if each mark on the x - axis represents one second, when did the object reach the ground? 6 seconds 5 seconds 2.5 seconds 5.5 seconds

Explanation:

Step1: Identify the x - axis meaning

The x - axis represents time in seconds, and the object reaches the ground when it crosses the x - axis.

Step2: Locate the crossing point

From the graph, we can see that the object crosses the x - axis at the 5.5 - second mark.

Answer:

5.5 seconds