Think you’ve got your head wrapped around Waves? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. Which of the following is NOT an example of simple harmonic motion?
a block oscillating on a spring
the motion of a single photon from a laser
the orbit of the earth around the sun
a merry-go-round moving at constant speed
a grandfather clock pendulum
Q. A wave that has an amplitude of 10 cm has a distance between its troughs and crests of:
0 cm
5 cm
10 cm
20 cm
40 cm
Q. A spring/block system in simple harmonic motion has the block replaced by one with half the mass. The motion's period is multiplied by which of the following as a result?
1
√2
2
Q. A 2 kg block on attached to a spring with a stiffness of 30 N/m is stretched 5 cm at t = 0 s and then released. How much potential energy does the block has at t = 1 s?
21 mJ
38 mJ
42 mJ
76 mJ
82 mJ
Q. A guitar player strums his guitar and plays an A at 440 Hz. How far away from the guitar does the sound wave travel in one period of oscillation?
0.77 m
1.55 m
4.85 m
340 m
149,600 m
Q. Which of the following is an example of a longitudinal wave?
visible light
sound
ripples in a pond
radio waves
UV radiation
Q. What is the wavelength of this wave (arbitrary units)? 
1
2
3
4
6
Q. Which of the following is an example of a standing wave?
"the wave" at a crowded stadium
ocean waves at the beach
someone jumping rope
human speech
pushing on one end of a slinky
Q. What is the phase of a spring/block system that starts at t = 0 s at half the full wave amplitude?
0 rad
π rad
Q. A toy boat moving across a lake makes ripples in the water, expanding in all directions from the boat. If the boat moves at 3 m/s, how fast must the ripples move in order to appear at 2/3 their original frequency from behind the boat?
0.67 m/s
1.5 m/s
3.0 m/s
6.0 m/s
9.0 m/s