Question:

A body is executing simple harmonic motion with an angular frequency 2 rad/s. The velocity of the body at 20 mm displacement, when the amplitude of motion is 60 mm, is

Options :

  • (a) 40 mm/s
  • (b) 60 mm/s
  • (c) 113 mm/s
  • (d) 120 mm/s

Answer :

(c) 113 mm/s

Answer Steps :

step 1

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