A student travels at a steady speed over a distance of $50\,\text{m}$ in $40\,\text{s}$. The student then stops and rests for $10\,\text{s}$ before returning to the starting point at a steady speed in $30\,\text{s}$. What is the distance-time graph for the student’s motion?
Physics 9702 · AS & A Level · Equations of motion