(Solved): A bus makes a trip according to the position-time graph shown in the drawing. What is the average v ...

A bus makes a trip according to the position-time graph shown in the drawing. What is the average velocity (magnitude and direction) of the bus during (a) segment \( A \), (b) segment \( B \), and (c) segment C? Express your answers in \( \mathrm{km} / \mathrm{h} \).