C.1 Simple harmonic motion Quiz
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5 questions, one answer each
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1. An oscillator has ω = 4.0 rad s⁻¹ and amplitude 0.10 m. Its maximum speed is:
- A. 0.025 m s⁻¹
- B. 0.40 m s⁻¹
- C. 1.6 m s⁻¹
- D. 4.0 m s⁻¹
2. HL: Two oscillators of period 2.0 s differ in timing by 0.50 s. Their phase difference is:
- A. π/4
- B. π/2
- C. π
- D. 0.50 rad
3. HL: For x = x₀ sin(ωt + π), at t = 0 the oscillator is:
- A. at +x₀
- B. at −x₀
- C. at equilibrium moving in the positive direction
- D. at equilibrium moving in the negative direction
4. HL: The amplitude of an oscillator is halved. Its total energy becomes:
- A. one half
- B. one quarter
- C. double
- D. unchanged
5. HL: A 0.50 kg mass oscillates with ω = 2.0 rad s⁻¹ and x₀ = 0.30 m. Its potential energy at x = 0.10 m is:
- A. 0.010 J
- B. 0.020 J
- C. 0.090 J
- D. 0.18 J