Linear movement with and without acceleration

A runner goes northwards at 8km/h. Then returns to his starting point. How was his movement?

• Linear movement with acceleration

• Linear movement without acceleration

The "suburbano" service covers a daily displacement between Cuautitlán and Mexico City, in a time of 25 minutes. Reaching a speed of 33 m/s from rest. Determine the acceleration of the train; if we didn't have to stop in the different stations.

Suppose you are driving at 100 km/h from Cuautitlán Izcalli to Quéretaro. The distance between these two points is 180 km. How long will you be driving?

• 6480 s

• 1.8 s

• 108 s

• According to the different road blockades