1. | Which of the following is a physical quantity that has a magnitude but no direction? |
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2. | Multiplying or dividing vectors by scalars results in |
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3. | Identify the following quantities as scalar or vector: the mass of an object, the number of leaves on a tree, wind velocity. |
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4. | Which of the following is an example of a vector quantity? |
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5. | Which of the following is a physical quantity that has both magnitude and direction? |
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6. | Identify the following quantities as scalar or vector: the speed of a snail, the time it takes to run a mile, the free-fall acceleration |
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7. | An ant on a picnic table travels 3.0*10^1 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the magnitude of the ant's displacement relative to its original position? |
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8. | For the winter, a duck flies 10.0 m/s due south against a gust of wind with a speed of 2.5 m/s. What is the resultant velocity of the duck? |
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9. | In a coordinate system, a vector is oriented at angle with respect to the x-axis. The y component of the vector equals the vector's magnitude multiplied by which trigonometric function? |
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10. | In a coordinate system, a vector is oriented at angle with respet to the x-axis. The x component of the vector equals the vector's magnitude multiplied by which trigonometric function? |
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11. | Which of the following is the motion of objects moving in two dimensions under the influence of gravity? |
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12. | Which of the following does not exhibit parabolic motion? |
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13. | What is the path of a projectile (in the absence of friction)? |
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14. | Which of the following is not an example of projectile motion? |
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15. | Which of the following exhibits parabolic motion? |
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16. | Which of the following is an example of projectile motion? |
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17. | Which of the following is a coordinate system for specifying the precise location of objects in space? |
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18. | A piece of chalk is dropped by a teacher walking at a speed of 1.5 m/s. From the teacher's perspective, the chalk appears fall |
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19. | A passenger on a bus moving east sees a man standing on a curb. From the passenger's perspective, the man appears to |
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