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pracexam1

# pracexam1 - PRACTICE EXAM 1 PHYS 15200 NOTE 1 Your official...

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PRACTICE EXAM 1 – PHYS 15200 Page 1 of 4 NOTE 1) Your official exam will have different questions. 2) You will be tested on your mastery of concepts and problem-solving skills. 3) You will be given a formula sheet to use during the exam. 3) The solutions to this practice exam will be discussed in lecture. Part I. Multiple Choice Questions [2 pts each] Directions: Choose the alternative that best completes the statement or answers the question. Unless otherwise stated, assume ideal conditions (no air resistance, uniform gravity, etc.) 1) A car travels one complete lap around a circular track of radius 100 m in exactly 40 seconds. The magnitude of the car’s average velocity over the 40-sec interval equals (A) zero (B) 2.5 m/s (C) 7.8 m/s (D) 15.7 m/s (E) Not enough information. 2) A penny is thrown downward from the roof of a tall building. In the absence of air resistance, the magnitude of the net force acting on the penny as it falls

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