Which description depicts a periodic scenario?

A. The distance of a metronome from center as it keeps time
B. The amount of air in a tire
C. Temperature of an ice cube taken out of the freezer
D. The height of an elevator in an office building

1 answer

A. The distance of a metronome from center as it keeps time - This description depicts a periodic scenario. A metronome produces a swinging motion that goes back and forth at regular intervals, creating a periodic motion.