Motion and graphing motion

During which interval is the object not moving? Options: B to C, A to B, E to F, only at point A

During which interval is the object moving back to its original position? Options: A to B, D to E, E to F, G to H

Which runner stopped for a rest? Options: Albert, Bob, Charlie

Which runner won the race? Options: Albert, Bob, Charlie

A car driving at 50 miles per hour drives for 2 hours. What distance did it cover?

What does this graph represent? Options: Constant Speed, Acceleration, Not moving

What does this graph represent?

According to the graph, how fast does the person travel in the first 5 seconds? Options: 2 m/s, 10 m/s, 12.5 m/s, 1 m/s

The speed of the vehicle between points A-B is...
Options: 12m/s, 8m/s, 10m/s, 16m/s

What is the formula for speed?