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Answer question 2

Answer question 2

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Answer question 2
Multiple Choice Questions (9 pts) 1. A student is given a block and a spring. He is told that the block has a mass of 0.500 kg and that the spring constant is 60.0 N/m. He calculates the theoretical period of oscillation will be 0.574 s. He then attaches the block to the spring and times the period using 20 oscillations. He discovers that the actual period of oscillation is 0.450 s. Which of the following statements best explains the discrepancy between the theoretical and the actual period of oscillation? A) Air resistance was ignored in the theoretical calculation. B) The spring's mass was ignored in the theoretical calculation. C) The spring constant was less than 60.0 N/m. D) The block's mass was less than 0.500 kg. 2. A mass is oscillating up and down on a spring. Position A is the lowest point, C is the highest point and B is exactly in the middle of A and C. Describe the changes in the various types of energy as the mass moves from position B to position C. Spring Potential Energy Gravitational Potential Energy Kinetic energy A) decreasing increasing decreasing B) he Eard C) decreasing decreasing increasing decreasing decreasing decreasing D) increasing increasing increasing 3. A student measures the maximum speed of a mass oscillating back and forth on a spring. On the first oscillation she finds the maximum speed to be 0.855 m/s. A few oscillations later she finds the maximum speed to be 0.628 m/s. What is the best explanation of this? b A) The mass transferred energy to the spring increasing the maximum spring potential energy. B) The spring transferred energy to the mass decreasing the maximum spring potential energy. C) The mass-spring system lost energy to the surroundings. D) As energy was transferred back and forth between the spring and the mass, on average a greater share of the energy was being transferred to the spring.
Transcribed Image Text:Multiple Choice Questions (9 pts) 1. A student is given a block and a spring. He is told that the block has a mass of 0.500 kg and that the spring constant is 60.0 N/m. He calculates the theoretical period of oscillation will be 0.574 s. He then attaches the block to the spring and times the period using 20 oscillations. He discovers that the actual period of oscillation is 0.450 s. Which of the following statements best explains the discrepancy between the theoretical and the actual period of oscillation? A) Air resistance was ignored in the theoretical calculation. B) The spring's mass was ignored in the theoretical calculation. C) The spring constant was less than 60.0 N/m. D) The block's mass was less than 0.500 kg. 2. A mass is oscillating up and down on a spring. Position A is the lowest point, C is the highest point and B is exactly in the middle of A and C. Describe the changes in the various types of energy as the mass moves from position B to position C. Spring Potential Energy Gravitational Potential Energy Kinetic energy A) decreasing increasing decreasing B) he Eard C) decreasing decreasing increasing decreasing decreasing decreasing D) increasing increasing increasing 3. A student measures the maximum speed of a mass oscillating back and forth on a spring. On the first oscillation she finds the maximum speed to be 0.855 m/s. A few oscillations later she finds the maximum speed to be 0.628 m/s. What is the best explanation of this? b A) The mass transferred energy to the spring increasing the maximum spring potential energy. B) The spring transferred energy to the mass decreasing the maximum spring potential energy. C) The mass-spring system lost energy to the surroundings. D) As energy was transferred back and forth between the spring and the mass, on average a greater share of the energy was being transferred to the spring.
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