Q.
When a mass is hung by a spring, the spring stretches 6.0 cm. Determine its time period of vibration if it is then pulled down a little and released.
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a
0.58 s
b
0.98 s
c
0.49 s
d
0.39 s
answer is C.
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Detailed Solution
k=Fextx=mg0.06T=2πmk=2π0.069.8=0.49 s
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