vibration about an equilibrium position in which a restoring force is proportional to displacement from equilibrium
What is Simple Harmonic Motion
100
the time it takes for a complete cycle to occur
What is period
100
the highest point above equilibrium position
What is crest
100
particles are spread further apart
What is rarefaction
200
_____ indicates direction of spring force
What is the negative sign
200
at maximum displacement restoring force and acceleration are ______ and speed is zero
What is maximum
200
2π √(L/ag)
What is period of a simple pendulum
200
wave whose particles vibrate perpendicularly to the direction the wave is traveling
What is transverse wave
200
Superposition of two or more waves in which individual displacements on the same side of the equilibrium position are added together to form a resultant wave
What is Constructive Interference
300
spring force tends to move toward _____
What is equilibrium
300
_____ affects the period of a pendulum
What is length
300
the uneffected period due to a changing amplitude of vibration only pertains to _____ ___
What is Hooke's Law
300
wave whose particles vibrate parallel to direction wave is traveling
What is longitudinal wave
300
particles are moved closer together
What is Compression
400
N/m
What is the unit for k
400
_____ of restoring force is proportional to ______
What is magnitude and sin theta
400
2π √ (m/k)
What is period of a Mass-Spring System
400
the number of waves that pass a given point in a unit of time
What is frequency
400
If two pulses of equal amplitude but displacements of opposite sign coincide, at the instant the two pulses overlap they completely cancel each other
What is Complete Destructive Interference
500
k is ______ proportional to the spring stiffness
What is directly
500
A monkey is rocking in a tree in the dark. His glowing red eyes move back and forth at a distance of 0.42m exactly 30 times a minute in simple harmonic motion. The amplitude is...
What is 0.21m
500
heavier _____ has a smaller acceleration than light ____ and therefore has a greater period
What is mass
500
Speed of a wave changes only when wave moves from one _____ to another or when certain properties of the _____ (such as temperature) are varied
What is medium
500
when waves connect their displacements form a resultant displacement and the amplitude of the new wave equals the sum of the two amplitudes