If the boy travelled 2 meters to the right and 4 meters to the left what is the total distance that he travelled? 4 m

-4 m

6 m

2 m

Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?