both double. A. T and v max B. T remains the same and v max doubles. both remain the same. C. T and v max

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1 Q13.1 An object on the end of a spring is oscillating in simple harmonic motion. If the amplitude of oscillation is doubled, how does this affect the oscillation period T and the object s maximum speed v max? A. T and v max both double. B. T remains the same and v max doubles. C. T and v max both remain the same. D. T doubles and v max remains the same. 2 E. T remains the same and v max increases by a factor of.

2 A13.1 An object on the end of a spring is oscillating in simple harmonic motion. If the amplitude of oscillation is doubled, how does this affect the oscillation period T and the object s maximum speed v max? A. T and v max both double. B. T remains the same and v max doubles. C. T and v max both remain the same. D. T doubles and v max remains the same. 2 E. T remains the same and v max increases by a factor of.

3 Q13.2 This is an x-t graph for an object in simple harmonic motion. At which of the following times does the object have the most negative velocity v x? A. t = T/4 B. t = T/2 C. t = 3T/4 D. t = T

4 A13.2 This is an x-t graph for an object in simple harmonic motion. At which of the following times does the object have the most negative velocity v x? A. t = T/4 B. t = T/2 C. t = 3T/4 D. t = T

5 Q13.3 This is an x-t graph for an object in simple harmonic motion. At which of the following times does the object have the most negative acceleration a x? A. t = T/4 B. t = T/2 C. t = 3T/4 D. t = T

6 A13.3 This is an x-t graph for an object in simple harmonic motion. At which of the following times does the object have the most negative acceleration a x? A. t = T/4 B. t = T/2 C. t = 3T/4 D. t = T

7 Q13.4 This is an a x -t graph for an object in simple harmonic motion. At which of the following times does the object have the most negative displacement x? A. t = 0.10 s B. t = 0.15 s C. t = 0.20 s D. t = 0.25 s

8 A13.4 This is an a x -t graph for an object in simple harmonic motion. At which of the following times does the object have the most negative displacement x? A. t = 0.10 s B. t = 0.15 s C. t = 0.20 s D. t = 0.25 s

9 Q13.5 This is an a x -t graph for an object in simple harmonic motion. At which of the following times does the object have the most negative velocity v x? A. t = 0.10 s B. t = 0.15 s C. t = 0.20 s D. t = 0.25 s

10 A13.5 This is an a x -t graph for an object in simple harmonic motion. At which of the following times does the object have the most negative velocity v x? A. t = 0.10 s B. t = 0.15 s C. t = 0.20 s D. t = 0.25 s

11 Q13.6 This is an x-t graph for an object connected to a spring and moving in simple harmonic motion. At which of the following times is the potential energy of the spring the greatest? A. t = T/8 B. t = T/4 C. t = 3T/8 D. t = T/2 E. more than one of the above

12 A13.6 This is an x-t graph for an object connected to a spring and moving in simple harmonic motion. At which of the following times is the potential energy of the spring the greatest? A. t = T/8 B. t = T/4 C. t = 3T/8 D. t = T/2 E. more than one of the above

13 Q13.7 This is an x-t graph for an object connected to a spring and moving in simple harmonic motion. At which of the following times is the kinetic energy of the object the greatest? A. t = T/8 B. t = T/4 C. t = 3T/8 D. t = T/2 E. more than one of the above

14 A13.7 This is an x-t graph for an object connected to a spring and moving in simple harmonic motion. At which of the following times is the kinetic energy of the object the greatest? A. t = T/8 B. t = T/4 C. t = 3T/8 D. t = T/2 E. more than one of the above

15 Q13.8 To double the total energy of a mass-spring system oscillating in simple harmonic motion, the amplitude must increase by a factor of A. 4. B. 2 2 = C. 2. D. E. 2 = =

16 A13.8 To double the total energy of a mass-spring system oscillating in simple harmonic motion, the amplitude must increase by a factor of A. 4. B. 2 2 = C. 2. D. E. 2 = =

17 Q13.9 A simple pendulum consists of a point mass suspended by a massless, unstretchable string. If the mass is doubled while the length of the string remains the same, the period of the pendulum A. becomes 4 times greater. B. becomes twice as great. C. becomes greater by a factor of 2. D. remains unchanged. E. decreases.

18 A13.9 A simple pendulum consists of a point mass suspended by a massless, unstretchable string. If the mass is doubled while the length of the string remains the same, the period of the pendulum A. becomes 4 times greater. B. becomes twice as great. C. becomes greater by a factor of 2. D. remains unchanged. E. decreases.

A) F = k x B) F = k C) F = x k D) F = x + k E) None of these.

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