Question

Which of these statements about Alex's data is the most accurate?

Answer 1

`the\text{ slope of the distance-time graph gives the velocity}`

where the slope of the graph is higher the velocity will also be higher.

since the distance-time graph is discontinuous at t=60s and t=120s

that's why Alex's must-have stop at these point because if he does not

then at these points, he will have two directions of velocity, which is not

possible.

so the correct option is options (a) and (c).