When does acceleration happen? * When speed changes When direction changes When speed is constant Both 1 and 2 What is the average velocity in the first 5 hours of the trip? Round to the whole number. Distance (km) 30 25 20 15 10 5 0 1 km/h 2.5 km/h 5 km/h 7.5 km/h 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 Time (h) Anne is trying to keep her current BMI through her daily morning jog. Her average jogging pace is 7 meters per hour. If she jogged for half an hour towards North, and another half an hour towards East, what would be her displacement from her original position after 1 hour? 4.95 m, 45 degrees in SP 4.95 m, 135 degrees in SP 9.90 m. 45 degrees in SP 9.90 m. 135 degrees in SP If we add vector A = (4 in, 8 in) and vector B =(-4 in, 2 in), what would be the magnitude and direction of the resultant vector? 10 in, North 10 in, South 6 in, North 6 in, South What are the coordinates of vector M = 55 N, 25 West of South? * (23.24 N, -49.85N) (-49.85 N, -23.24 N) (49.85 N, -23.24 N) (-23.24 N, -49.85 N) Will travels 1.5 km to the East from his home to Chatime to pick up his favorite milk tea. Then, he traveled 25 m, 70 N of E from Chatime to the San Francisco Church. What would be the displacement to his home if he decided to go back directly from the church?... O 1.51 m, 0.87 degrees East of North 1.51 m, 0.87 degrees North of East 15.1 m, 87 degrees East of North 15.1 m, 87 degrees North of East