Review for Unit 6 Test- Motion

1. The speed you read on a speedometer is ____.

• instantaneous speed
• constant speed
• average speed
• velocity

2. 3 m/s north is an example of a(n) _____.

• speed
• velocity
• time
• acceleration

3. A car moves around a wide turn going 45 mi/hr the whole time. The car has a constant _____.

• speed
• velocity
• direction
• acceleration

4. If you ride your bicycle down a straight road for 500 m then turn around and ride back to your starting point, your distance is _____ your displacement.

• greater than
• equal to
• less than
• can't determine

5. Motion is a change in _____.

• time
• speed
• velocity
• position

6. An indicator that orients you when describing motion is called the

• time
• speed
• refernce point
• point of motion

7. How long will it take an object traveling at 25 m/s to reach a distance of 125 meters?

• 5 s
• 0.2 min
• 5 m
• 0.2 s

8. A high-speed train travels with an average speed of 227 km/hr. The train travels for 2 hrs. How far does the train travel?

• 113.5 km
• 454 km
• 0.0088 km
• 225 km

9. A cross-country runner runs 10 km in 40 minutes. What is his average speed?

• 30 km/min
• 4 km/min
• 400 km/min
• 0.25 km/min

10. What does the slope of a distance vs. time graph tell you?

• the total distance traveled
• the speed of the object
• the time it took for the object to travel
• the acceleration