University:
Borough of Manhattan Community College
Course:
PHY 110 | General Physics
Academic year:

2022
Views:

399

Pages:

2
Author:

rehinhea0c

Speed, Velocity & Acceleration Quiz Directions: Circle the correct response. Each question is worth 2 points. If a problem requires math, show your work for 1 additional point). 1. 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? Show your work. a. 0.5 seconds b. 2 seconds c. 5 seconds d. 20 seconds 3. A boat leaves the dock and travels west reaching a velocity of 6 m/s after 3 seconds. What is its acceleration? Show your work. a. 0.5 m/s2 b. 2 m/s2 c. 6 m/s2 d. 18 m/s2 4. 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 927 m/s. 5. The graph below shows the position of a car from 0-10 seconds. What is the car’s acceleration? a. 2.5 m/s2 b. 25 m/s2 c. 5 m/s2 d. 0.25 m/s2 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. 7. Using the graph above, calculate the velocity of Lynn and Timmy between points A and B. a. 10 km/h through the country b. 30 km/h through the country c. 90 km/h through the country d. 3 km/h through the country 8. 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 9. Which of the following statements BEST describes what is taking place in the velocity/time graph shown below? a. The object is decreasing in speed. b. The object is increasing in speed. c. The object’s speed is constant. d. The object is returning back to its starting position.