pracexam1

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

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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 (A) equals zero. (C) is greater than its weight. (E) Not enough information.

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## This note was uploaded on 03/03/2012 for the course PHYS 152 taught by Professor Button during the Fall '08 term at IUPUI.

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pracexam1 - PRACTICE EXAM 1 PHYS 15200 NOTE 1) Your...

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