Answer: π m/s.
- A π m/s
- B 0.5π m/s
- C 2π m/s
- D 5 m/s
Correct answer: A. π m/s
Explanation: v<sub>max</sub> = Aω = A × 2πf = 0.1 × 2π × 5 = π m/s ≈ 3.14 m/s.
In SHM, displacement and velocity are 90° out of phase (v is maximum when x=0, and zero when x is extreme), while acceleration is always exactly opposite in sign to displacement, consistent with a = −ω²x.
Concept context
Simple harmonic motion, spring-mass, pendulum, energy in SHM, and resonance.