ans: A
Adob
Conve
or Exc
12. An object attached to one end of a spring makes 20 vibrations in 10 s. Its ángular frequency
is:
A. 0.79 rad/s.
B. 1.57 rad/s
C. 2.0 rad/s
D. 6.3 rad/s
E. 12.6 rad/s
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Answer:
b number is the answer of this question
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