Concept explainers
A spring has an unstretched length of 20 cm. A 100 g mass hanging from the spring stretches it to an equilibrium length of 30 cm.
a. Suppose the mass is pulled down to where the spring’s length is 40 cm. When it is released, it begins to oscillate. What is the amplitude of the oscillation?
A. 5.0 cm
B. 10 cm
C. 20 cm
D. 40 cm
b. For the data given above, what is the frequency of the oscillation?
A. 0.10 Hz
B. 0.62 Hz
C.1.6 Hz
D. 10Hz
c. Suppose this experiment were done on the moon, where the free-fall acceleration is approximately 1/6 of that on the earth. How would this change the frequency of the oscillation?
A. The frequency would decrease.
B. The frequency would increase.
C. The frequency would stay the same.
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