# Straight-line Motion

This crossword was created by Sandra Garcia with EclipseCrossword by Green Eclipse Software — www.eclipsecrossword.com

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## Across

4. A car accelerates uniformly from rest at a rate of +10m/s**2. How far will the car travel in 4s?

7. An object initially at rest accelerates at 10m/s**2 until it attains a speed of 30m/s. What distance does the object move while accelerating?

9. how much distance an object covers per unit time

14. _______ acceleration is when there is not a constant change in velocity.

15. a = (Vf-Vi)/ ____

18. one of the three ways to change velocity

21. the unit for this is m/s**2

23. one of the three ways to change velocity

24. An object has a constant acceleration of 2.0 m/s**2. The time required for the object to accelerate from 8.0 m/s to 28m/s is _____ seconds.

26. The name for the triangle symbol that means "change in"

27. A flat line in a displacement vs. time graph means the object is at _____.

28. one of the three ways to change velocity

30. Vi=____ velocity

31. A graph with a positive curved line means the slope is _____.

## Down

1. A graph with a negative curved line has a ____ slope.

2. ____ quantities have magnitude and direction.

3. A sign of direction related to west, south, left, down

5. A consant change in velocity is _____ acceleration.

6. if an object is traveling east with a deacreasing speed, the direction of the object's acceleration is ______.

8. unit for time

10. If a man walks 17 meters east then 17 meters south, his displacement is ____.

11. A sign of direction related to up, north, right, east

12. ____ is a type of scalar quantity.

13. _____ quantities only have magnitude.

16. speed in a particular direction

17. A graph with a flat straight line has a slope of _____.

19. the distance and direction from start to finish

20. If a woman runs 100m north and then 70m south, her total displacement is 30m _____.

22. A graph with a straight line means the slope is _____.

25. An object decelerates from 6m/s to 2m/s in 1 sec. The rate of deceleration is -___m/s**2

29. Vf=___ velocity

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