Cracking the SAT Physics Subject Test

composed of the same material.

Questions 55-57

55. What is the amplitude of the wave?
    (A) 0.08 m
    (B) 0.16 m
    (C) 0.32 m
    (D) 0.48 m
    (E) 0.60 m


56. What is the wavelength of the wave?
    (A) 0.08 m
    (B) 0.16 m
    (C) 0.20 m
    (D) 0.40 m
    (E) 0.60 m


57. The drawing shows the displacement of a traveling wave at time
    t = 0. If the wave speed is 0.5 m/sec, and the wavelength is λ m,
    what is the period of the wave (in seconds)?

(A)