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PHYSICS HONORS CHAPTER 2 TEST: LINEAR MOTION VERSION 1 Questions 1-8 are worth 10 points each. Question 9 is worth 20 points. Write answers using three significant figures. Use scientific notation for answers larger than 100 and less than 0.10. Include magnitude and direction for all vectors. Assume all vertical motion occurs on the Earth. avg x v t Δ Δ avg v a t Δ Δ 2 9.81 g m s down fo v v at 1 2 x v v t 2 1 2 o x v t at 2 1 2 f x v t at 22 2 v v ax The motion of an object toward the north is plotted on the velocity-time graph shown at right. 1) a) Briefly describe, in general terms, the motion of the object. b) Briefly describe the instantaneous acceleration of the object as it moves, and explain how it can be determined from this graph. Be specific. c) Briefly explain how the total displacement of the object can be determined from this graph. Be specific. A car changes velocity from an initial value of 12.0 m/s to the right to a final value of 5.00 m/s to the left. The change in velocity takes 6.00 s to complete.
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This note was uploaded on 02/10/2012 for the course PHYS 123 taught by Professor Phys123 during the Spring '10 term at Buena Vista.

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