Answer:
Step-by-step explanation:
Hour: 1. A semi truck is traveling west at 55 mi/hr. A motorcycle travels east at 45 mi/hr. ... A van travels south at a speed of 50 km/hr. ... 15 km/hr. 3. If a bicyclist travels 42 miles in 3.2 hours, what was her average speed? ... velocity includes both magnitude and direction.