Physics
Grade-9
Easy

Question

A 20 g particle moves in SHM with a frequency of 3 oscillations per second and an amplitude of 5 cm. The total distance does the particle move during one oscillation is:

  1. 10 cm
  2. 15 cm
  3. 20 cm
  4. 25 cm

hintHint:

w=2πf=6π fraction numerator r a d over denominator s e c end fraction

The correct answer is: 20 cm


    f=3 oscillation per second
    w=2πf=6π fraction numerator r a d over denominator s e c end fraction
    In one oscillation the particle moves to one extreme from mean position comes back to mean and then to the other extreme and then to the mean, that means 4 times the amplitude. This accounts to 20 cm.

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