for SHM, the restoring force is proportional to -
the period is the time required for -
the frequency is -
the number of cycles per second
SMH is -
during SHM, the total energy is continually changing from - to -
kinetic; potential (and back)
a simple pendulum approximates SHM when?
if the amplitude is not large
when friction is present, the motion is -
if an oscillating force is applied to a SHO, its amplitude depends on what?
how close the natural frequency the driving frequency is; close= large amplitude; RESONANCE
sources of waves which may be either a pulse or continuous
distance between successive crests
number of crests that pass a given point per unit time
maximum height of crest
oscillations PERPENDICULAR to the direction of wave motion
oscillations PARALLEL to the direction of wave motion
energy per unit time crossing unit area (W/m^2)
angle of reflection is equal to what?
angle of incidence
when two waves pass through the same region of space, they -
interfere; can be constructive or destructive
nodes occur when?
when there is no motion (in between loops/at ends)
antinodes occur when?
where the amplitude is maximum
waves refract when?
upon entering a medium of different wave speed and around obstacles
what can be said about velocity and acceleration during the course of motion (when an object is oscillating back and forth at the end of a spring)
1. the object can have nonzero velocity and nonzero acceleration simultaneously
2. the object can have zero acceleration and nonzero velocity simultaneously
3. the object can have zero velocity and nonzero acceleration simultaneously
the oscillation frequency of a system (where a mass is attached to a horizontal spring) can be increased how?
when approximating sin theta=theta, the angle must be specified how?
a pendulum too slowly can be sped up how?
shortening the string
two waves on a rope going towards one another will do what?
pass through each other
A student attaches one end of a Slinky to the top of a table. She holds the other end in her hand, stretches it to a length ?, and then moves it back and forth to send a wave down the Slinky. If she next moves her hand faster while keeping the length of t
one cycle of periodic processes
max displacement from equilibrium position
max height of a crest/depth of a trough relative to the normal level
The frequency of a wave increases. If the speed of the wave remains constant, what happens to the distance between successive crests?
distance between successive crests decreases
Two wave pulses pass each other on a string. The pulse traveling toward the right has positive amplitude, whereas the pulse traveling toward the left has equal amplitude in the negative direction. What happens when they occupy the same region of space at
destructive interference occurs
at what displacement of a SHO is the energy half kinetic and half potential? (in terms of A)
+-A/sq. root (2)