a) What is the total distance travelled? (1 mark) b) What is the truck's total displacement? (1 mark) c) What is the truck's velocity in interval B? (2 marks) d) What is the truck's velocity in interval C? (1 mark) e) What is the truck's average velocity during the first 15 seconds? (2 marks) f) What is the truck's average speed during the first 15 seconds? (2 marks) Position (m) (S) 30.0 8.0 A B Position of a car with respect to time 6.0 9.0 15.0 Time (s) D 30.0 E 40.0