7. What is the total distance travelled by the skier after 3 minutes (follow the arrangement of the letters)?
A. 100 m
B. 180 m
C. 420 m
D. 320 m
8. What is the displacement of the skier from A to D?
A. 140 m, to the right
C. 320 m, to the right
B. 180 m, to the right
D. 420 m, to the right
9. How will you describe the skier's displacement if he traveled back to his first position (A)?
A. The skier has the longest displacement so far.
C. The skier has 420 m total displacement.
B. The skier has no displacement. D. The skier has a total of 180 m of displacement.
10. If an object changes its velocity by 5 m/s in each consecutive second, means that the object has
A. acceleration
B. speed
C. constant acceleration
D. Constant velocity
11. Which of the following DOES NOT have acceleration?
A. An object with changing speed and direction.
B. an object with constant speed but changing directions
C. and object with changing speed and constant direction
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Answer:
7.B
8.C
9.D
10.A
11.B
Explanation:
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