Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
PHY 1110
Exam #4
| Term | Definition |
|---|---|
| In SHM, at the midpoint, or x=0, potential energy is at ____ and kinetic energy is at ____. | 0; max |
| In SHM, at x=-A and x=A, potential energy is at ____ and kinetic energy is at ____. | max; 0 |
| Does amplitude (A) affect period (T)? | no |
| What value will you see in an equation that involved SHM of a spring? | k=spring stiffness constant |
| If your frequency (f) is 5 Hz, what is the period (T)? | 0.2 sec |
| Can you use the constant acceleration formulas for SHM? | no |
| Oscillatory motions that travel sinusoidal are called SHM, aka ____. | simple harmonic motion |
| The equilibrium position is denoted as what? | x=0 |
| What's Hook's Law? | F=-kx |
| Restoring force is always ____ because it is always opposite direction of displacement. | negative |
| At x=-A and x=A, what is the value of velocity? | v=0 |
| At x=0, what is the value of velocity? | v=v(max) |
| What is the name of the value that is the maximum displacement from equilibrium point (SHM)? | amplitude (A) |
| At x=0, what is the value of force? | F=0 |
| ____ is the time required to complete ONE full cycle. | period (T) |
| ____ if the NUMBER of completed cycles per second. | frequency (f) |
| At x+A and x=-A, what is the value of force? | F=F(max) |
| What are the two things period is affected by? | k and mass |
| Position x(t) vs time (t) graph that has a starting amplitude of A or -A represents what type of sinusoidal graph? | cos(x) |
| Velocity v(t) vs time (t) graph that has a starting amplitude of A or -A represents what type of sinusoidal graph? | sin(x) |
| Acceleration a(t) vs time (t) graph that has a starting amplitude of A or -A represents what type of sinusoidal graph? | -cos(x) |
| Sound waves following SHM will produce longitude or transverse waves? | longitude |
| The amplitude of a sound wave ____ as its distance from its source increases. | decreases |
| Perception of sound is what? | hearing |
| Perception of frequency is what? | pitch |
| High pitches have _____ wavelengths while low pitches have ____ wavelengths. | small; large |
| True or false? The speed of sound is dependent on where the sound is traveling. | true |
| The more rigid, or less compressible, the medium, the ____ sound will travel. | faster |
| What are the three aspects of sound? | source, energy transfer in waves, detection |
| Loudness, in relation to sound, is related to what? | intensity |
| The lower the frequency, the ____ the pitch. The higher the frequency, the ____ the pitch. | lower; higher |
| What is the audible frequency range? | 20 Hz - 20,000 Hz |
| What is ultrasonic frequency? What is the ultrasonic frequency range? | frequencies above audible range; >20,000 Hz |
| What is infrasonic frequency? What is the infrasonic frequency range? | frequencies lower than audible range; <20 Hz |
| To produce a sound about twice as loud, how much intensity is required? | 10x |
| Sound level is defined by β with units of dB. What term is sound level defined as? | intensity (I) |
| The source of any ____ is a vibrating object. | sound |
| Sound travels faster through ____. | solids |
| Sound travels slowest through ____. | gases |
| The greater the density of an object, the ____ sound will travel. | faster |
| In ____ waves, the wave propagates horizontally, the surface is disturbed vertically. | transverse |
| In ____ waves, the wave and the surface is disturbed horizontally. | longitude |
| Temperatures are created by two reproducible temperatures: ____ and ____ points of water at standard atmospheric pressure. | freezing; boiling |
| The freezing and boiling point of water (in ˚C) is what? | 0˚C; 100˚C |
| What does it mean for a temperature to be defined as an "absolute zero"? | all molecular motion has ceased |
| What temperature (in K) is considered "absolute zero"? | 0K |
| What are some properties of matter that may change with temperature? | volume, electrical resistance, color radiated, phase |
| What temperature must two objects be at in order to be in THERMAL EQUILIBRIUM with one another? | they must be at the same temperature |
| What is the Zeroth Law of Thermodynamics? | if two systems are in thermal equilibrium with one another, and one of the systems are in thermal equilibrium with a third system, all three must be in thermal equilibrium with each other |
| If one end of the room os hot and the other end is cold, where will heat travel/transfer? | heat transfers from hot to cold until thermal equilibrium is reached |
| Temperature is an intensive quantity. This means what? | temperature is indépendant of size |
| What is a calorie? | the amount of heat required to raise the temperature of one gram by 1˚C |
| What is a kilocalorie? | the amount of heat to raise the temperature of 1000 grams by 1˚C |
Created by:
gracelisabethxo
Popular Physics sets