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(1) At a track meet, a runner runs the 100–m dash in 13 s. What was the runner's average speed?
m/s____________

(2) Which is true for an object in free-fall?

(a) It increases in distance proportionally to t2

(b) It has a constant velocity

(c) It has a constant displacement

(d) It has frictional effects

(3) A group of college students eager to get to Florida on a spring break drove the 640-mi trip with only minimum stops. They computed their average speed for the trip to be 58.0 mi/h. How many hours did the trip take?
h__________________