Oscillations - Result Question 17

20. A particle executing S.H.M. has amplitude 0.01m and frequency 60Hz. The maximum acceleration of the particle is

(a) 144π2m/s2

(c) 80π2m/s2

(b) 120π2m/s2

(d) 60π2m/s2

[1999]

Show Answer

Answer:

Correct Answer: 20. (a)

Solution:

  1. (a) Amplitude (A)=0.01m, Frequency =60Hz Maximum acceleration

=Aω2=0.01×(2πn)2

=0.01×4π2×60×60=144π2m/sec2

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