Question

Motion maps for two objects, Y and Z, are shown.

A motion map. The position line is a long black arrow pointing right with x as the reference point at left. Above the line are three dots, each with a vector pointed away from x back to back in a line labeled B. Above B, there are four dots, each with a shorter vector pointing away from x in a line labeled A starting closer to x .

Object Z passes object Y after how many seconds?

2
3
4
5

Answer 1

Answer: it takes 3 seconds (b)

Step-by-step explanation:

Answer 2

Answer: B. 3

Step-by-step explanation:

Each black point on the map represents one second. There are three black points with vectors representing Z's movement before Y begins to move.