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Unformatted text preview: morris (gmm643) HW 14 Coker (56625) 1 This printout should have 22 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. This assignment covers Chapter 15 on the Simple Harmonic Oscillator. 001 10.0 points A mass attached to a spring oscillates back and forth as indicated in the position vs. time plot below. P x t At point P, the mass has 1. positive velocity and positive accelera tion. 2. negative velocity and negative accelera tion. 3. negative velocity and positive accelera tion. 4. positive velocity and negative accelera tion. 5. zero velocity but is accelerating (posi tively or negatively). 6. zero velocity and zero acceleration. 7. positive velocity and zero acceleration. 8. negative velocity and zero acceleration. 002 10.0 points A particle oscillates up and down in simple harmonic motion. Its height y as a function of time t is shown in the diagram. 1 2 3 4 5 5 5 y (cm) t (s) At what time t in the period shown does the particle achieve its maximum positive ac celeration? 1. None of these; the acceleration is con stant. 2. t = 2 s 3. t = 1 s 4. t = 3 s 5. t = 4 s 003 (part 1 of 4) 10.0 points A 0 . 5 kg block attached to a spring of force constant 19 . 7 N / m oscillates with an ampli tude of 7 cm. Find the maximum speed of the block. Answer in units of m / s. 004 (part 2 of 4) 10.0 points Find the speed of the block when it is 3 . 5 cm from the equilibrium position. Answer in units of m / s. 005 (part 3 of 4) 10.0 points Find its acceleration at 3 . 5 cm from the equi librium position. Answer in units of m / s 2 . 006 (part 4 of 4) 10.0 points Find the time it takes the block to move from x = 0 to x = 3 . 5 cm....
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 Spring '10
 COKER

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