engineering physics MCQ #4581

The equation of a simple harmonic motion is given by y = 6 sin(10t) + 8 cos(10t). Its amplitude is

engineering physics MCQ #4581

  1. Question 1

    Q1. The equation of a simple harmonic motion is given by y = 6 sin(10t) + 8 cos(10t). Its amplitude is

    • A) 10
    • B) 14
    • C) 2
    • D) 5

    Answer: 10

    Explanation: The given equation can be written as y = A sin(10t + φ). Using trigonometric identity, A = √(6² + 8²) = √(36 + 64) = √100 = 10.