The amount of work done by two boys who apply 300 N of force in an unsuccessful attempt to move a stalled car is: 1. 600 N · m.
2. 300 N.
3. 300 N · m.
4. 600 N.
5. 0.

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?