p201f01-exam04

p201f01-exam04 - Seat # Physics P201 D. Baxter/R. Heinz...

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Seat # Physics P201 D. Baxter/R. Heinz FINAL EXAM December 10, 2001 8:00–10:00 AM INSTRUCTIONS 1. Sit in SEAT # given above. 2. DO NOT OPEN THE EXAM UNTIL YOU ARE TOLD TO DO SO. 3. Print your name (last name first) and blacken in the letters on the answer sheet with a #2 pencil. 4. Print your student number (identification number) and blacken in the numbers on the answer sheet with a #2 pencil. 5. Use the fronts and backs of the question sheets for scratch work. Do not use any other scratch sheets. 6. 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. 7. Keep your eyes on your own work. 8. 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. 9. THERE ARE 24 QUESTIONS. PLEASE ANSWER ALL OF THEM. THERE IS NO PENALTY FOR GUESSING! You may use a calculator and four self-prepared sheets of formulas. You may also consult the appendices in the front and back of the book.
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1. A simple pendulum has a period of 2.0 s. What is the pendulum length? ( 9.8 g = m/s 2 ) a. 0.22 m b. 0.36 m c. 0.57 m d. 0.78 m e. 0.99 m 2. A hockey puck moving at 7.0 m/s coasts to a halt in 75 m on a smooth (but not frictionless) ice surface. What is the coefficient of kinetic friction between the ice and the puck? a. μ k = 0.013 b. μ k = 0.018 c. μ k = 0.025 d. μ k = 0.033 e. μ k =0 .11 3. A sinusoidal wave travels on a string and is described by 11 ( , ) 2cm sin(4cm 12s ) yxt x t -- =⋅ - . This wave has a velocity of a. 1 cm/s b. 2 cm/s c. 3 cm/s d. 4 cm/s e. 8 cm/s 4. If the tension in a guitar string is tripled the ratio of its new fundamental frequency to its original fundamental frequency will be: a. 0.84 b. 1.0 c. 1.7 d. 4.2 e. 9.0
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5.
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p201f01-exam04 - Seat # Physics P201 D. Baxter/R. Heinz...

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