Constant Velocity Review

1. A race car travels at an average speed of 80 m/s in a race. The total distance of the race is 640,000 m. How long does it take the race car to finish the race?

• 6,400,000 s

• 8,000 s

• 51,200,000 s

• 800 s

A 2.25 kg fish in a pond swims 56 meters in 96 seconds. What is the fish’s average speed?

• 0.020 m/s

• 1.7 m/s

• 0.58 m/s

• 0.40 m/s

The graph below shows the movement of an object at several points in time. What is the average speed of the object?

• A 0.5 m/min

• B 2 m/min

• C 25 m/min

• D 50 m/min

Tags

NGSS.MS-PS3-1

How much time is required for a bicycle to travel a distance of 100 m at an average speed of 2 m/s?

• 200 s

• 100 s

• 50 s

• 0.02 s

Tags

NGSS.MS-PS3-1

5. If an athlete runs at 9 km/h for 0.5 hours, how far will the athlete travel?

• 18km

• 9 km

• 4.5 km

• 3.3 km

6. A student walks 160 m in 150 s. The student stops for 30 s and then walks 210 m farther in 140 s. What is the average speed of the entire walk?

• 0.53 m/s

• 1.5 m/s

• 2.6 m/s

• 1.2 m/s

7. How much time will it take for a person to walk the length of 100 m at a constant speed of 3.5m/s?

8. This table gives the position of a car as time progresses. What is the average velocity during the interval 2 s to 3 s?

• 0 m/s

• 2 m/s

• 3 m/s

• 4 m/s

9. This table gives the position of a car as time progresses. What is the average velocity during the interval 3 s to 5 s? HINT: y2-y1 / x2-x1

• 3.5 m/s

• 3.75 m/s

• 4.2 m/s

• 10 m/s

10. This table gives the position of a car as time progresses. What is the average velocity during the interval 0 s to 5 s? HINT FINAL- INITIAL

• 0.3 m/s

• 3 m/s

• 4 m/s

• 4.6 m/s