Oscillations - Result Question 14
17. A particle executing simple harmonic motion of amplitude $5 cm$ has maximum speed of $31.4 cm / s$. Its oscillation per second
(a) 4
(b) 3
(c) 2
(d) 1
[2005]
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Answer:
Correct Answer: 17. (d)
Solution:
- (d) In S.H.M., $v _{\max }=A \omega=A(2 \pi f)$
$f=\frac{v _{\max }}{2 \pi A}=\frac{31.4}{2(3.14) \times 5}=1$ oscillation per sec.