Questions
The vertical extension in a light spring by a weight of 1 kg suspended from the lower end is 9.8 cm. The period of oscillation of the spring is:
a
20π sec
b
2π/10sec
c
2π/100 sec
d
200 πsec
detailed solution
Correct option is B
Spring constant k=Fx=mgx=1×9.89.8×10-2=100 N/m T=2πMk⇒2π1100=2π10secTalk to our academic expert!
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Two springs of spring constants are joined in series. The effective spring constant of the-combination is given by:
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