p201f02-exam03

p201f02-exam03 - Seat # Your exam is form 1 . Physics P201...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Seat # Your exam is form 1 . Physics P201 D. Baxter/R. Heinz EXAM #3 November 21, 2002 7:00–9:00 PM INSTRUCTIONS 1. Please indicate which 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.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
1. A ventilation fan has a net torque of 4.2 N m applied to it. Its angular acceleration is 7.9 rad/ s 2 . What is its moment of inertia? a. 63 kg m 2 b. .53 kg m 2 c. .43 kg m 2 d. .33 kg m 2 e. .23 kg m 2 2 and 3. A bowling ball of mass 3.0 kg is attached to the end of a 6.0 m long bar which has a mass of 2.0 kg. The other end of the bar is hinged at the wall. A vertical string from the bowling ball to the ceiling supports the bar-ball system. 2. What is the tension in the string? a. 24.5 N b. 29.4 N c. 34.3 N d. 39.2 N e. 44.1 N 3. What is the moment of inertia of the bar-bell system with respect to an axis through the hinge and perpendicular to the page? Treat the ball as a point mass. a. 152 kg m 2 b. 142 kg m 2 c. 132 kg m 2 d. 122 kg m 2 e. 112 kg m 2 Bar Ball hinge string
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4. Two hoops and two spheres, all set side-by-side, are released from rest at the same time and roll without slipping down an inclined plane towards a wall at the bottom. There is no energy loss due to friction. Hoop 1 has a larger mass than hoop 2. Sphere 1 has the same mass as hoop 1. Sphere 2 has the same mass as hoop 2. Which two objects reach the
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

p201f02-exam03 - Seat # Your exam is form 1 . Physics P201...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online