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- 1. Multiple Choice
Wind blowing at 20 mph.Vector or scalar?
Scalar
Vector
- 2. Multiple Choice
30 m/sec, East. Scalar or Vector
Scalar
Vector
Neither
- 3. Multiple ChoiceDistance and direction of an object's change in position from a starting pointdisplacementdistancemotionreference point
- 4. Multiple ChoiceAmy runs 2 miles south, then turns around and runs 3 miles north. What is displacement?5 miles1 mile2 miles south1 mile north
- 5. Multiple Choice
Which of the following may you do to a vector without changing it?
Add a nonzero vector to a vector.
Multiply a vector by a scalar other than 1.
Rotate a vector through any angle other than 360 degrees.
Move the vector without changing its direction.
- 6. Multiple ChoiceThe _______ of two or more vectors is the sum of the vectors.componentsscalarresultantmagnitude
- 7. Multiple ChoiceLengthVectorScalar
- 8. Multiple ChoiceDisplacementVectorScalar
- 9. Multiple ChoiceWhich one of the following is not the property of a vector quantity?UnitMagnitudeLocationDirection
- 10. Multiple ChoiceWhich symbol is used to show vector quantities?CircleLineArrowTriangle
- 11. Multiple Choice
Sara walks from Point A to Point B. Which is true?Distance and displacement are EQUALDistance is less than displacement - 12. Multiple ChoiceFind the distance Sara walks from A to B, B to C then C to D?11m3m5m
- 13. Multiple Choice
Michael walks in the following order: from Point A, to Point B, and finally to Point C. Which is true?
Distance and displacement are EQUAL
Distance is less than displacement
Displacement is less than distance.
- 14. Multiple Choice
Juan walks in the following order: from Point A, to Point B, to Point C, and stops at Point D. Which is true?
Distance and displacement are EQUAL
Distance is less than displacement
Displacement is less than distance.
- 15. Multiple Choice
Which driver has an equal distance and displacement at B?
1
2
3
- 16. Multiple Choice
Two birds leave their nest at the same time. The first bird flies 50 km due east, while the second bird flies 75 km west. Select all of the following that are true of the birds' positions.
The first bird is -25 km relative to the nest.
The first bird is +50 km relative to the nest.
The first bird is +125 km relative to the nest.
The second bird is -25 km relative to the nest.
The second bird is -75 km relative to the nest.
- 17. Multiple Choice
Vehicle A is driving east from a set start point along a road at 56 km/h. Vehicle B is driving west along the same road from the same starting point at 68 km/h. After one hour, what is the position of Vehicle B relative to Vehicle A?
12 km west
12 km east
124 km west
124 km east
- 18. Multiple Choice
A track athlete does two and a half laps from the starting line on a track of normal shape and size. The best way to describe the difference between the athlete's distance versus displacement is...
Displacement and distance mean the same thing, so the values are equal.
The displacement is greater than the distance because the athlete ran two and a half laps.
The displacement and the distance were equal early in the run, however due to the shape of the track the distance is greater than the displacement.
The distance is greater than the displacement because the athlete is not finished with the third lap.
- 19. Multiple Choice
Calculate the acceleration in meters per second-squared, of a car moving at 15 m/s that accelerates to 25 m/s over a time of 5.0 seconds.
5.0 m/s2
15 m/s2
2.0 m/s2
2.5 m/s2
- 20. Multiple Choice
Calculate the acceleration in meters per second-squared, of a car that begins at rest at a stop sign and accelerates to 20 m/s over a time of 5.0 seconds.
4.0 m/s2
2.0 m/s2
100 m/s2
10 m/s2
- 21. Multiple Choice
The speed of a car is decreasing uniformly from 35 m/s to 15 m/s in 4 s. The magnitude of the car's acceleration is —
5 m/s2
10 m/s2
20 m/s2
50 m/s2
- 22. Multiple Choice
The graph above represents the motion of a cyclist. The graph shows that between t = 0 seconds and t = 2 seconds, the cyclist —
reversed direction
increased in speed
slowed down slightly
coasted at constant speed
- Answer choicesTagsAnswer choicesTags