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p202s04-exam03

# p202s04-exam03 - Seat Physics P202 R Heinz/R de Ruyter...

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Seat # Physics P202 R. Heinz/R. de Ruyter EXAM #3 April 8, 2004 6:30–8:30 PM INSTRUCTIONS 1. Please indicate with form (1, 2, 3, or 4) exam you have by marking the appropriate bubble in column “P” of the SPECIAL CODES box on your answer sheet. Your exam is form 1 . 2. Sit in SEAT # given above. 3. DO NOT OPEN THE EXAM UNTIL YOU ARE TOLD TO DO SO. 4. Print your name (last name first) and blacken in the letters on the answer sheet with a #2 pencil. 5. Print your student number (identification number) and blacken in the numbers on the answer sheet with a #2 pencil. 6. Use the fronts and backs of the question sheets for scratch work. Do not use any other scratch sheets. 7. This is a multiple choice exam. Blacken in the answer to each question on the answer sheet. Fill in one and only one answer to each question. 8. Keep your eyes on your own work. 9. You have two hours to complete the exam. When you finish, please show your picture ID as you turn in your answer sheet. Please leave quietly so others are not disturbed. 10. THERE ARE 24 QUESTIONS PLEASE ANSWER ALL OF THEM. THERE IS NO PENALTY FOR GUESSING! This is a closed book, closed note exam! You may use only a calculator and three self-prepared sheets of formulas.

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1. Hannah is standing in the middle of a room with two opposite walls that are separated by 10.0 m and covered by plane mirrors (the figure below). There is a candle in the room 1.50 m from one mirrored wall. Hannah is facing the candle and sees many images of the candle. How far from Hannah are the closest three images of the candle that she can see? a. 6.5 m, 23.5 m, 26.5 m b. 6.5 m, 12.5 m, 30.5 m c. 6.5 m, 18.5 m, 30.5 m d. 6.5 m, 12.5 m, 18.5 m e. 6.5 m, 23.5 m, 30.5 m 2. A man runs toward a plane mirror at 6 m/s and the mirror, on rollers, simultaneously approaches him at 2 m/s. The speed at which his image moves (relative to the ground) is a. 4 m/s 6 m/s c. 10 m/s d. 12 m/s e. 16 m/s
3. Two plane mirrors are in contact along one edge, and the planes of the two mirrors are at an angle of 72° with respect to each other as shown in the figure. A

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p202s04-exam03 - Seat Physics P202 R Heinz/R de Ruyter...

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