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Across 1. the number of reliably known digits in a number (2 words) 11. the distance traveled along its path divided by the time it takes to travel this distance (2 words) 14. prefix abbv. da 16. precision in the measurement (2 words) 17. ____ or standard that a measurement of any quantity is made relative to 18. a concise statement 20. the study of the motion of objects and the related concepts of force and energy 21. change in position 25. how nature does behave 26. a kind of picture or analogy that explains the phenomena 27. a vector quanitity measuring the distance traveled over the time it took to travel 28. acceleration due to _________ g = 9.80 m/s^2 29. represented in diagrams by arrows 30. maximum velocity is called the __________ velocity

Down 2. the average velocity over an infinitesimally short time interval (2 words) 3. objects that move without rotating (2 words) 4. description of how objects move 5. the change in velocity divided by the time taken to make this change (2 words) 6. specifies a direction, and represents a frame of reference 7. tell us how to behave 8. _________ ____________ is used to solve for x when a, b, and c are constants (2 words) 9. measured: displacement/time elapsed (2 words) 10. any measurement of position, distance, or speed must be made with respect to a ______ ___ ___________ (3 words) 12. standard unit of time 13. force and why objects move as they do 15. abbv. m 19. __________ accelerated motion is when the magnitude of the acceleration is constant in a straight line 22. __________ uncertainty the ratio of the uncertainty to the measured value, multiplied by 100 23. standard unit of mass 24. a ________ is broad, detailed, and gives quantitative testable predictions with great precision