Starting from rest, a train reaches a final, constant speed in 20 seconds while accelerating at a constant rate of 1.5 m/s/s. a. What is the final speed of the train? b. What is the total distance traveled by the train during this period of constant acceleration?

An average person can walk 1 kilometer in 10 minutes. a. What is the speed in miles per hour? In kilometers per hour? b. How long would it take an average person to walk 3.5 miles? To walk 10 km? c. How far can an average person walk in 45 minutes? In 1.5 hours?