This print-out should have 19 questions. Multiple-choice questions may continue on I(t) the next column or page - find all choices before answering. 001 10.0 points The motion of a piston in an auto engine is 1 2 3 4 5 6 7 8 9 10 11 12 simple harmonic. The piston travels back t (sec) and forth between the extreme points 4.2 em apart. What is the angular frequency w? 1. 6.2 rad/s 2. 2.0 rad/s 3. 3.1 rad/s 4. 1.6 rad/s 4764 rpm 5. 4.0 rad/s 4.2 em What is the maximum speed of the pis- 004 10.0 points ton when the engine is running at 4764 rpm A particle oscillates up and down in simple (revolution per minute)? harmonic motion. Its height y as a function of time t is shown in the diagram. 1. 11.6448 2. 90.6444 3. 36.6464 4. 102.337 y (cm) 5. 11.2297 6. 44.109 7. 18.6-103 8. 143.734 At what time t in the period shown does 9. 10.4766 the particle achieve its maximum positive ac- 10. 96.8867 celeration? Answer in units of m/s. 1. None of these; the acceleration is con- 002 10.0 points stant. A simple harmonic oscillator has amplitude 2. 1 48 0.55 m and period 3.6 sec. 3. What is the maximum acceleration? 1. 1 -2 5. 1. 6.03142 m/s 2. 0.152778 m/9- 005 10.0 points 3. 0.837698 m/s2 When a body executes simple harmonic motion. 4. 1.6754 m/s- it's period is 5. 0.266648 m/s- 6. 0.0121383 m/$3 1. inversely proportional to its acceleration 003 10.0 points 2. An oscillator is described by independent of its amplitude