Motion Retake Quiz

Which of the following BEST describes the difference between speed and velocity?

• a. Speed includes distance and direction while velocity includes only distance.
• b. Speed includes distance and direction while velocity includes only direction.
• c. Velocity includes distance and direction while speed includes only direction.
• d. Velocity includes distance and direction while speed includes only distance.

2. Sound travels at a speed of 330 m/s. If John hears a police siren 165 meters away, how long did it take for the sound to travel from the police siren to his ear?

• a. 0.5 seconds
• b. 2 seconds
• c. 5 seconds
• d. 20 seconds

3. Olympic champion Usain Bolt can run the 100-meter dash in only 9.27 seconds. Which of the following BEST describes this runner?

• a. His acceleration is 10 m/s.
• b. The force he applies as he runs is 10 m/s.
• c. His speed is 10 m/s.
• d. His velocity is 10 m/s.

4. The graph below shows the motion of a car from 0-20 hours. What is the cars average speed from point A to point B?

• a. 15 Km/hr
• b. 0.6 Km/hr
• c. 0.6 m/s
• d. 15 m/s

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5. If a puppy runs towards a chew toy at a speed of 4 m/s and it takes him 2 seconds to get to it, how far away is the chew toy?

• a. 2 m
• b. 0.5 m
• c. 8 m
• d. 6 m

6. Lynn and Timmy took a motorcycle ride through the country. Below is a graph that depicts their travel. What is most likely taking place from point B to point C?

• a. Lynn and Timmy stopped for lunch.
• b. Lynn and Timmy maintained a speed of 30 km/hr.
• c. Lynn and Timmy increased their speed.
• d. Lynn and Timmy returned home.

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8. Eddy and Gamby traveled during the holidays to visit their family members in Atlanta. The distance and driving time are shown in the graph below.

• a. They stopped often along the way.
• b. They traveled at a fairly constant velocity.
• c. There were different drivers at different times during the journey.
• d. They were driving slowly at first, but their velocity increased every hour

9. Using the table below, calculate the average acceleration of the object in motion.

• a. 16 m/s2
• b. 4 m/s2
• c. 2 m/s2
• d. 8 m/s2

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10. Which of the following graphs shows an object that is not in motion?

• a.
• b.
• c.
• d.

11. According to the trend in the data table below, which of the following values is most likely the speed of the object after falling for 6 seconds?

• a. 0 m/s
• b. 20 m/s
• c. 12 m/s
• d. 6 m/s

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