Question

What does the slope of the coloured lines express in this position time graph.

• A. ${\overrightarrow{v}}_{inst}$
• B. $\overrightarrow{v}=0$
• C. ${\overrightarrow{v}}_{avg}$

Answer 1

Green: Slope of one point gives the velocity at that instant.
Blue: Slope across two points gives the average velocity.
Yellow: Zero slope gives zero velocity.