Question 1

A spring vibrates in simple harmonic motion according to the equationx = 15 cos   π\piπ twhere x is in centimeters and t is in seconds. The total number of vibrations this body makes in 10 s is

Accepted Answer

A)   "0.5"
B)   "10"
C)   "  π\piπ "
D)   "15"
E)   "5" F) B) and D)
G) A) and B)

Question 2

A particle moving with simple harmonic motion has a maximum displacement of +12.0 cm. The particle moves from its maximum positive to its maximum negative displacement in 2.25 s. The motion starts when the displacement is x = +12.0 cm. The time for the particle to move to x = -6.00 cm is

Accepted Answer

A)   1.70 s
B)   0.750 s
C)   1.50 s
D)   2.20 s
E)   0.983 sF) A) and D)
G) B) and D)

Question 3

A 0.50-kg mass is suspended from a massless spring that has a force constant of 79 N/m. The mass is displaced 0.1 m down from its equilibrium position and released. If the downward direction is negative, the displacement of the mass as a function of time is given by

Accepted Answer

A)   y = 0.1 cos158t -   π\piπ ) 
B)   y = 0.2 cos158t -   π\piπ ) 
C)   y = 0.1 cos12.6t -   π\piπ ) 
D)   y = 0.2 cos12.6t +   π\piπ ) 
E)   y = 0.1 cos2t +   π\piπ )  F) All of the above
G) A) and C)

Question 4

A spring of negligible mass and spring constant k is attached to the wall on one end, and the other end is attached to the center of mass axis of a solid sphere of mass m and radius r. The spring is stretched a distance A from equilibrium and let go. The sphere rolls freely on a smooth surface. The angular frequency of the oscillation is

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and D)
G) C) and D)

Exam 12: Oscillations

A 0.50-kg mass is suspended from a massless spring that has a force constant of 79 N/m. The mass is displaced 0.1 m down from its equilibrium position and released. If the downward direction is negative, the displacement of the mass as a function of time is given by

Correct Answer
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A spring vibrates in simple harmonic motion according to the equationx = 15 cos $\pi$ twhere x is in centimeters and t is in seconds. The total number of vibrations this body makes in 10 s is

Correct Answer
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Correct Answer
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A particle moving with simple harmonic motion has a maximum displacement of +12.0 cm. The particle moves from its maximum positive to its maximum negative displacement in 2.25 s. The motion starts when the displacement is x = +12.0 cm. The time for the particle to move to x = -6.00 cm is

Correct Answer
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Exam 12: Oscillations

A 0.50-kg mass is suspended from a massless spring that has a force constant of 79 N/m. The mass is displaced 0.1 m down from its equilibrium position and released. If the downward direction is negative, the displacement of the mass as a function of time is given by

Correct AnswerverifiedShow Answer

A spring vibrates in simple harmonic motion according to the equationx = 15 cos π\piπ twhere x is in centimeters and t is in seconds. The total number of vibrations this body makes in 10 s is

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A particle moving with simple harmonic motion has a maximum displacement of +12.0 cm. The particle moves from its maximum positive to its maximum negative displacement in 2.25 s. The motion starts when the displacement is x = +12.0 cm. The time for the particle to move to x = -6.00 cm is

Correct AnswerverifiedShow Answer

Correct Answer
verified

A spring vibrates in simple harmonic motion according to the equationx = 15 cos $\pi$ twhere x is in centimeters and t is in seconds. The total number of vibrations this body makes in 10 s is

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified