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- 1. Multiple ChoiceA vector is represented bya raya linea circlea triangle
- 2. Multiple Choice
The magnitude of the vector is62 m25o - 3. Multiple ChoiceThe direction of the vector is62 m25o25o W of N25o N of W
- 4. Multiple ChoiceWhen adding vectors, the vectors are connectedin a straight lineHead to Tailin Right trianglesIn a triangle
- 5. Multiple ChoiceThe letter B on the diagram represents the ________.HeadTaillength
- 6. Multiple ChoiceVector A is 23 m/s at 23o E of N. What trig function would you use to find the x component?sinecosinetangentPythagorean
- 7. Multiple ChoiceVector A is 23 m/s at 23o E of N. What trig function would you use to find the y component?sinecosinetangentPythagorean
- 8. Multiple ChoiceA vector has both ____ and _____speed and lengthmagnitude and directiondegrees and radiansstyle and grace
- 9. Multiple Choice
Which of the follow is NOT a vector?
acceleration
velocity
displacement
mass
- 10. Multiple Choice
The initial path of a rocket is 30° above the horizontal, and the horizontal component of the rocket's velocity is 326 m/s. The initial vertical component of the rocket's velocity is most nearly
190 m/s
330 m/s
380 m/s
280 m/s
- 11. Multiple ChoiceA car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement?40 metres, South50 metres, South50 metres, North40 metres, North
- 12. Multiple ChoiceIf a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?20m40m0m-20m
- 13. Multiple ChoiceIf a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?12 km19 km, East31 km43 km, East
- 14. Multiple ChoiceA motorboat, which has a speed of 5 meters per second in still water, is headed east as it crosses a river flowing south at 3.3 meters per second. What is the magnitude of the boat’s resultant velocity with respect to the starting point?3.3 m/s5.0 m/s6.0 m/s8.3 m/s
- 15. Multiple ChoiceA motorboat velocity is 20 km/h in still water. If the boat must travel straight to the nearest shore in a river whose current is 12 km/h, What up stream angle must the bow boat point at? (hints: you know the opposite and resultant sides of your right triangle here).46 degrees upsteam37 degrees upstream22 degrees upstream42 degrees upstream
- 16. Multiple ChoiceA plane traveling north at 150 m/s is flying toward a runway. A cross-wind of 30 m/s begins to blow from the east. The pilot realizes he is being blown off course. At what angle must he head in order to travel directly north?19 degrees east of north29 degrees east of north19 degrees west of north29 degrees east of south
- 17. Multiple ChoiceA car moved 60 km East and 90 km West. What is the distance it traveled?30 km, West60 km. East90 km150 km
- 18. Multiple ChoiceIf a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?12 km19 km, East31 km43 km, East
- 19. Multiple ChoiceA fishing boat with a maximum speed of 3 m/s relative to the water is in a river that is flowing at 2 m/s. What is the maximum speed the boat can obtain relative to the shore?5 m/s25 m/s5.8 m/s7 m/s
- 20. Multiple ChoiceA fishing boat with a maximum speed of 3 m/s relative to the water is in a river that is flowing at 2 m/s. What is the minimum speed the boat can obtain relative to the shore?1 m/s5 m/s3.6 m/s4.5 m/s
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