205M_test1_version1_S10_solutions

205M_test1_version1_S10_solutions - Answer Problems 1...

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Unformatted text preview: Answer Problems 1 through 10 on the bubble sheet. Problem 1 (5 pts) An astronaut uses a stopwatch to time the motion of a rock in outer space. At time t = 5 . 0 seconds, the rock is position h 10 , 7 , 4 i m. At time time t = 12 . 0 seconds, the rock is at position h 3 , 4 , 6 i m. What is the average velocity of the rock from t = 5 . 0 seconds to t = 12 . 0 seconds? A. h 2 . 60 , 2 . 20 , . 40 i m/s B. h 1 . 08 , . 92 , . 17 i m/s C. h 1 . 86 , 1 . 57 , . 29 i m/s D. h . 43 , . 57 , . 86 i m/s E. h 3 . 50 , 1 . 50 , 5 . 00 i m/s For problems 2, 3, and 4, choose the letter that corresponds to the appropriate graph of the x-component of velocity vs. time for a cart on a track. Problem 2 (5 pts) : The cart initially moves in the x direction and experiences a net force in the + x direction. Problem 3 (5 pts) : The cart initially moves in the x direction and experiences a net force in the x direction. Problem 4 (5 pts) : The cart initially moves in the + x direction and experiences a net force is in the + x direction, and 3 For problems 5, 6, and 7, refer to the diagram below.For problems 5, 6, and 7, refer to the diagram below....
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205M_test1_version1_S10_solutions - Answer Problems 1...

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