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A body oscillates with SHM according to the equation (in SI units), x = 5 cos [2π t + π/4]. At t = 1.5 s, calculate the acceleration of the body.

Options

  1. A120 m s ⁻²
  2. B140 m s ⁻²
  3. C130 m s ⁻²
  4. D110 m s ⁻²

Correct answer

B. 140 m s ⁻²

Step-by-step solution

Correct Option is : (B) 140 m s ⁻²

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