the-position-time-graph-of-a-subway-train-going-from-london-to-edinburgh-is-show

Question

Below is a position-time graph of a subway train traveling from London to Edinburgh. Find the train's velocity at t = 20 s

Position-time graph of a subway train from London to Edinburgh, showing distance over time.

Accepted Answer

6.67 m/s

Answer

9.21 m/s

Answer

4.45 m/s

Answer

3.21 m/s