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Study sets matching "physics 127"

72 terms
Physics 127
The time it takes the sun to orbit mil…
Thickness of the thin disk
Diameter of risk of the milkyway
Mass inside if the sun's orbit
220 million years
1000 light years
100,000 to 160,000 light years
9.0 x 10^10 solar masses
The time it takes the sun to orbit mil…
220 million years
Thickness of the thin disk
1000 light years
37 terms
Physics 127/ Chap 3
what are the 7 parameters which descri…
which parameters can be changed by the…
regarding sound waves, how are 'infras…
why is frequency important in sonograp…
Amplitude; Frequency; Intensity; Period; Power; Speed; Wavele…
amplitude, power and intensity
Infrasound: less than 20 Hz- inaudible... Audible sound: between…
it affects penetration and image quality.
what are the 7 parameters which descri…
Amplitude; Frequency; Intensity; Period; Power; Speed; Wavele…
which parameters can be changed by the…
amplitude, power and intensity
20 terms
Physics 127/ Chap 4
What are 5 parameters to describe Puls…
Describe Pulse Sound
Describe Pulse Duration
what is the typical value of pulse dur…
Duty Factor; Pulse Duration; Pulse repetition frequency; Puls…
A collection of cycles that travel together as a single unit;…
the actual time from start of a pulse to end of that pulse. T…
0.3 - 2.0 us (microseconds)
What are 5 parameters to describe Puls…
Duty Factor; Pulse Duration; Pulse repetition frequency; Puls…
Describe Pulse Sound
A collection of cycles that travel together as a single unit;…
49 terms
Physics 127 Constellation Quiz
Andromeda
Aquarius
Aquila
Aries
The Princess
The Water Bearer
The Eagle
The Ram
Andromeda
The Princess
Aquarius
The Water Bearer
10 terms
Physics 127/ Chap 9
what are The shape and various regions…
what are Phased arrays?
how are transducer diameter and focal…
how are frequency and focal depth rela…
1. FOCUS-Location where beam is narrowest.... 2. NEAR ZONE-AKA N…
adjustable focus systems.
Directly
Directly
what are The shape and various regions…
1. FOCUS-Location where beam is narrowest.... 2. NEAR ZONE-AKA N…
what are Phased arrays?
adjustable focus systems.
96 terms
Physics 127 Test 2
Eratosthenes
Ptolemaic
Early Ideas were rooted in....
What early philosophers think the heav…
measured the size of the Earth by noticing the position of th…
had the geocentric model that included epicycles
religious and philosophical ideas.
1) perfect... 2) unchanging... 3) completely circular... 4) earth is t…
Eratosthenes
measured the size of the Earth by noticing the position of th…
Ptolemaic
had the geocentric model that included epicycles
33 terms
Physics 127/chap 15
of what are 'bistable' images composed?
what are the two user controls that ca…
What does 'contrast' determine?
What does 'Brightness' determine?
only 2 shades: black and white
Brightness and Contrast. On the monitor screen; not the keybo…
the range of brilliancies w/in the displayed image. This is a…
the brilliance of the displayed image.... This is a screen brigh…
of what are 'bistable' images composed?
only 2 shades: black and white
what are the two user controls that ca…
Brightness and Contrast. On the monitor screen; not the keybo…
20 terms
Physics 127/Chap 19
what is Doppler Frequency?
what is 'demodulation'?
what is the formula for Doppler shift?
when red blood cells move toward the t…
aka: doppler shift.... when the sound source and the receiver mo…
the process of extracting the low doppler freq from the trans…
DS (Hz) = reflected freq - transmitted freq.
Positive or Higher.
what is Doppler Frequency?
aka: doppler shift.... when the sound source and the receiver mo…
what is 'demodulation'?
the process of extracting the low doppler freq from the trans…
31 terms
Physics 127/ Chaps 1, 2
on a graph, the x and y axes represent…
def of 'unrelated' variables
def of 'directly related' variables
def of 'related' variables
x axis: dependent variable... y axis: independent variable
two items that are not associated; ie: weight to day of birth
two items that are associated: ie: age directly related to on…
two items that are assoc ,but not direct; ie: dental health r…
on a graph, the x and y axes represent…
x axis: dependent variable... y axis: independent variable
def of 'unrelated' variables
two items that are not associated; ie: weight to day of birth
17 terms
Physics 127/Chap.18
what is Pulse Inversion Harmonics?
what is power modulation harmonic imag…
what does 'Flow' indicate?
what is the unit of 'flow'?
only uses harmonic reflections, eliminating fundamental refle…
harmonics are extracted by sending one strong pulse and one w…
volume of blood moving during a particular time.
volume divided by time: liters/min.
what is Pulse Inversion Harmonics?
only uses harmonic reflections, eliminating fundamental refle…
what is power modulation harmonic imag…
harmonics are extracted by sending one strong pulse and one w…
15 terms
PSYCS 127 The Physics of Stars
Spectroscopy
HR Diagram
Luminosity class Ia
Luminosity Class Ib
The study of the strengths of various spectral lines; used to…
Absolute magnitude, Spectral Type, Luminosity, and Temperature
Luminous Supergiants
Less Luminous Supergiants
Spectroscopy
The study of the strengths of various spectral lines; used to…
HR Diagram
Absolute magnitude, Spectral Type, Luminosity, and Temperature
124 terms
Astronomy Exam 4 Physics 127
Blackhole
Einsteins Theory of General Relativity
Space-time
Trampoline idea
Gravity's ultimate victory if a star is massive enough the co…
Attempted to figure out how blackholes actually work
Usually we think of space and time separately but Einstein sh…
We see it as two dimensional but if you add mass it causes it…
Blackhole
Gravity's ultimate victory if a star is massive enough the co…
Einsteins Theory of General Relativity
Attempted to figure out how blackholes actually work
162 terms
BYU Physics 127 Mini Exam 1-7
The horns of the crescent moon always…
Vega is in the constellation
The Zodiac is
You are on a strange planet. You note…
away from the sun
Lyra
the constellations through which the Sun appears to travel in…
26,000 miles
The horns of the crescent moon always…
away from the sun
Vega is in the constellation
Lyra
25 terms
DAT-127 Ch2- Radiation Physics
Matter
The fundamental unit of matter is the…
An atom consists of ______ and ________
Nucleus is located at _______
Anything that occupies space and has mass.... When mass is alter…
Atom
a central nucleus and orbiting electrons
center of the atom
Matter
Anything that occupies space and has mass.... When mass is alter…
The fundamental unit of matter is the…
Atom
45 terms
BYU Physics 127 Fall 2014 Final
Percival Lowell
Heber Curtis
Edwin Hubble
The Hubble Law
observatory built in flagstaff AZ, 1894 documented canals on…
Presented the island universe model at the Shapely-Curtis deb…
in 1923 he examined the largest of the spiral nebula, the And…
v=Hod
Percival Lowell
observatory built in flagstaff AZ, 1894 documented canals on…
Heber Curtis
Presented the island universe model at the Shapely-Curtis deb…
17 terms
Physics 127 Exam 2 Telescopes and Light
Telescope
A refracting telescope
A reflecting telescope
Which telescopes are most common in re…
is a too used to gather light from objects in the universe
telescope uses a glass lens to concentrate incoming light
uses mirrors to concentrate incoming starlight
Reflecting telescopes: mirrors
Telescope
is a too used to gather light from objects in the universe
A refracting telescope
telescope uses a glass lens to concentrate incoming light
101 terms
Astronomy Exam 2 Physics 127
Erathosthenes
Early ideas about astronomy and the ea…
Geocentric
Celestial Sphere
• Noticed that at noon on the summer solstice the sun did not…
o Heavenly bodies are perfect... o Heavens are unchanging... o Circ…
Earth is at the center of the universe
Stars are all the same distance from earth in a sphere and ro…
Erathosthenes
• Noticed that at noon on the summer solstice the sun did not…
Early ideas about astronomy and the ea…
o Heavenly bodies are perfect... o Heavens are unchanging... o Circ…
101 terms
Astronomy Exam 2 Physics 127
Erathosthenes
Early ideas about astronomy and the ea…
Geocentric
Celestial Sphere
• Noticed that at noon on the summer solstice the sun did not…
o Heavenly bodies are perfect... o Heavens are unchanging... o Circ…
Earth is at the center of the universe
Stars are all the same distance from earth in a sphere and ro…
Erathosthenes
• Noticed that at noon on the summer solstice the sun did not…
Early ideas about astronomy and the ea…
o Heavenly bodies are perfect... o Heavens are unchanging... o Circ…
84 terms
Physics 127- Astronomy Test #1
astronomy
Astronomy's earliest uses
geocentric
when did astronomy diverge from astrol…
oldest natural science
calendars, seasons, navigation, predicting eclipses
earth centered
during the Renaissance
astronomy
oldest natural science
Astronomy's earliest uses
calendars, seasons, navigation, predicting eclipses
81 terms
BYU Physics 127 Exam 3
Light
v
f
λ
is a wave and a particle composed of photons (light particles)
wave's speed (speed of light)
wave's frequency or how many times it's repeated in a second
wave's wavelength or how long the wave is before it repeats i…
Light
is a wave and a particle composed of photons (light particles)
v
wave's speed (speed of light)
124 terms
Astronomy Exam 4 Physics 127
Blackhole
Einsteins Theory of General Relativity
Space-time
Trampoline idea
Gravity's ultimate victory if a star is massive enough the co…
Attempted to figure out how blackholes actually work
Usually we think of space and time separately but Einstein sh…
We see it as two dimensional but if you add mass it causes it…
Blackhole
Gravity's ultimate victory if a star is massive enough the co…
Einsteins Theory of General Relativity
Attempted to figure out how blackholes actually work
214 terms
Astronomy Exam 3 Physics 127
What happens when light sent through a…
A stars chemical composition
What IS light?
Thomas Young's Interference Experiment
Separates into its component colors based on wavelength
Dips in the spectral curve or the lines in the absorption spe…
Newton argued light was composed of small particles... Huygens s…
Passed light through a slit in a first barrier, then it passe…
What happens when light sent through a…
Separates into its component colors based on wavelength
A stars chemical composition
Dips in the spectral curve or the lines in the absorption spe…
57 terms
BYU Physics 127 Exam 4
Our galaxy
Parts of a Spiral Galaxy
To see beyond the gas and dust in a ga…
How do we find where we are in the gal…
is a spiral galaxy with 400 billion stars of all ages and siz…
bulge is the center, disc has spiral arms where most of the s…
use a longer wavelength like infrared or radio
We know globular clusters are around the center of the galaxy…
Our galaxy
is a spiral galaxy with 400 billion stars of all ages and siz…
Parts of a Spiral Galaxy
bulge is the center, disc has spiral arms where most of the s…
Physics 127- Astronomy Test #2
eratothenes
What did Eratothenes notice at noon on…
Eratosthenes approximated what
wandering stars
measures the size of the earth
the sun did nodded cast a shadow in alexandria. But it did in…
the circumference of the earth
planets were called this because they moved across the sky at…
eratothenes
measures the size of the earth
What did Eratothenes notice at noon on…
the sun did nodded cast a shadow in alexandria. But it did in…
81 terms
BYU Physics 127 Exam 3
Light
v
f
λ
is a wave and a particle composed of photons (light particles)
wave's speed (speed of light)
wave's frequency or how many times it's repeated in a second
wave's wavelength or how long the wave is before it repeats i…
Light
is a wave and a particle composed of photons (light particles)
v
wave's speed (speed of light)
214 terms
Astronomy Exam 3 Physics 127
What happens when light sent through a…
A stars chemical composition
What IS light?
Thomas Young's Interference Experiment
Separates into its component colors based on wavelength
Dips in the spectral curve or the lines in the absorption spe…
Newton argued light was composed of small particles... Huygens s…
Passed light through a slit in a first barrier, then it passe…
What happens when light sent through a…
Separates into its component colors based on wavelength
A stars chemical composition
Dips in the spectral curve or the lines in the absorption spe…
251 terms
BYU Physics 127 Fall 2014 Final
Percival Lowell
Heber Curtis
Edwin Hubble
The Hubble Law
observatory built in flagstaff AZ, 1894 documented canals on…
Presented the island universe model at the Shapely-Curtis deb…
in 1923 he examined the largest of the spiral nebula, the And…
v=Hod
Percival Lowell
observatory built in flagstaff AZ, 1894 documented canals on…
Heber Curtis
Presented the island universe model at the Shapely-Curtis deb…
11 terms
PHYSICS 127 Exam 3 EM Spectrum
Light
Thomas Young's interference experiment
Waves of What?
Properties of a Wave
behaves as both particles and waves
light is a combination of electric and magnetic fields
For periodic waves: v = λf... v is the wave's speed... f is the wav…
Light
behaves as both particles and waves
Thomas Young's interference experiment
28 terms
Physics 127/chap 20-21 page 363
what is Spectral Analysis?
what are the two methods of Spectral a…
what is FFT (Fast Fourier Transform )
what are the advantages to FFT (Fast F…
a tool that identifies the individual velocities which make u…
1: Fast Fourier Transfrom (FFT)... 2: Autocorrelation
a technique used to process PULSED and continuous wave Dopple…
exceedingly accurate; displays indiv velocity components.
what is Spectral Analysis?
a tool that identifies the individual velocities which make u…
what are the two methods of Spectral a…
1: Fast Fourier Transfrom (FFT)... 2: Autocorrelation
32 terms
Hintz Physics 127 Unit 1 BYU
The Scientific Method
How a theory in science can often be l…
Theory
Concept of models
Use multifaceted observations to pursue consistent evidence w…
Everyday language: Theory is an idea that looks good on paper…
collection of related hypothesis that describes nature (well…
Models-description of reality based on the observations and h…
The Scientific Method
Use multifaceted observations to pursue consistent evidence w…
How a theory in science can often be l…
Everyday language: Theory is an idea that looks good on paper…
22 terms
Physics 127/ Chap 23-Chap 24
what is Crosstalk artifact?
what is Speed Error artifact?
with Speed error, what happens to the…
with Speed error, what happens to the…
mirror image artifact that appears on Spectral Doppler
when a sound wave propagates through a medium other than soft…
go return time is too long; distance reported is too deep; im…
go return time is too quick; distance reported is too shallow…
what is Crosstalk artifact?
mirror image artifact that appears on Spectral Doppler
what is Speed Error artifact?
when a sound wave propagates through a medium other than soft…
27 terms
Physics 127/ chap 19/pt 2
What is the greatest advantage of puls…
What is the sample volume or 'gate'?
What is the disadvantage of pulsed wav…
What is definition of aliasing?
Being able to select exact location to measure velocity: call…
Where the small marker is put to measure the velocity.
Inaccurate measurement of high velocity signals. Called 'alia…
Very high velocities in one direction being incorrectly displ…
What is the greatest advantage of puls…
Being able to select exact location to measure velocity: call…
What is the sample volume or 'gate'?
Where the small marker is put to measure the velocity.
23 terms
BYU Physics 127 Final Exam Dr. Stevens
Lunar Eclipse 1
Lunar Eclipse 2
Penumbra
Celestial Pole
When the Moon enters this shadow zone during an eclipse, it t…
This occurs when the full Moon crosses the ecliptic.
If I am standing on Earth in this shadow zone, I will only se…
The north end of this points towards Polaris right now.
Lunar Eclipse 1
When the Moon enters this shadow zone during an eclipse, it t…
Lunar Eclipse 2
This occurs when the full Moon crosses the ecliptic.
46 terms
Physics 127, CHap 6, Interaction of Sound and Media
what is the meaning of 'attenuation'?
By what is attenuation determined?
how are distance and attenuation relat…
how are frequency and attenuation rela…
when sound waves attenuate, they weaken as they travel throug…
- path length... - frequency of sound
Directly. As a beam travels farther, the attenuation becomes…
Directly. As a frequency increases, so does attenuation.... Less…
what is the meaning of 'attenuation'?
when sound waves attenuate, they weaken as they travel throug…
By what is attenuation determined?
- path length... - frequency of sound
19 terms
PSY 127 | 3.1: Physical Development in Infancy
Height and growth
Are there gender and ethnic difference…
Decreasing Proportions
Principles of Growth: Cephalocaudal pr…
Although the greatest increase in height and weight occurs du…
Yes. Girls generally are slightly shorter and weigh slightly…
At birth, the head represents one-quarter of the neonate's bo…
States that growth follows a direction and pattern that begin…
Height and growth
Although the greatest increase in height and weight occurs du…
Are there gender and ethnic difference…
Yes. Girls generally are slightly shorter and weigh slightly…
19 terms
Physics 127 Exam 2 The Formation of the Solar System and extra solar planets
Clues to Solar System Formation
Terrestrial planets
Jovian planets
Clues to Solar System Formation Contin…
-All large bodies in the Solar System orbit in the same direc…
are rocky, relatively small, and close to the Sun.
are gaseous, larger, and further from the Sun.
Swarms of smaller objects:... Rocky asteroids, and icy Kuiper b…
Clues to Solar System Formation
-All large bodies in the Solar System orbit in the same direc…
Terrestrial planets
are rocky, relatively small, and close to the Sun.
15 terms
AHS 127 Ch 23 Physical Therapy Skills (Definitions)
Rotation
Extension
Flexion
Adduction
Turning the joint or moving a body part around its axis
Straightening a body part
Bending a body part
Moving a body part toward the midline of the body
Rotation
Turning the joint or moving a body part around its axis
Extension
Straightening a body part
19 terms
AHS 127 Ch 23 Physical Therapy Skills (Red & Underlined)
Patients with osteoporosis may have __…
ROM of that joint
ROM exercises
Each exercise is performed ___________…
Limitations performing ROM
The movement of a joint to the extent possible without causin…
Involve moving the joints through their complete range of mot…
3 to 5 times
Patients with osteoporosis may have __…
Limitations performing ROM
ROM of that joint
The movement of a joint to the extent possible without causin…
152 terms
NBCE part 4-case history,physical exam (by mmorris127)
nerve
bone
visceral
muscular
type of pain that is sharp, stabbing, or shooting-described a…
type of pain that is poorly localized and deep/boring
type of pain that is cramping, colicky, dull/achy- sometimes…
type of pain that is dull and achy- at times burning
nerve
type of pain that is sharp, stabbing, or shooting-described a…
bone
type of pain that is poorly localized and deep/boring
59 terms
Exam #3 Edleman chapters 5, 21-24 u/s physics DMS 127
What is artifact?
What do artifacts result from?
Hyperechoic
Hypoechoic
an error in imaging
violation of assumptions... Equipment malfunction or poor design…
brighter than surrounding tissue
darker than surrounding tissues
What is artifact?
an error in imaging
What do artifacts result from?
violation of assumptions... Equipment malfunction or poor design…
40 terms
FND 127 Module 3 Vocabulary list
thin lines
thick lines
circle
square
skinny lines: the line on the top of the picture
fat lines; the line on the bottom of the picture
a round shape
a shape with 4 symmetrical sides
thin lines
skinny lines: the line on the top of the picture
thick lines
fat lines; the line on the bottom of the picture
40 terms
FND 127 Module 3 Vocabulary list
thin lines
thick lines
circle
square
skinny lines: the line on the top of the picture
fat lines; the line on the bottom of the picture
a round shape
a shape with 4 symmetrical sides
thin lines
skinny lines: the line on the top of the picture
thick lines
fat lines; the line on the bottom of the picture
75 terms
BYU Astronomy Phys 127 Final Part 1
The nearby open cluster known as the P…
You are on a strange planet. You note…
Relative to the stars, the moon moves…
The Zodiac is
Taurus
26000 miles
to the east
the constellations through which the Sun appears to travel in…
The nearby open cluster known as the P…
Taurus
You are on a strange planet. You note…
26000 miles
11 terms
127 Hours
engrossed
amputate
stench
hajj
completely absorbed in
cut off part of body;
a strong and very unpleasant smell.
Pilgrimage to Mecca
engrossed
completely absorbed in
amputate
cut off part of body;
71 terms
BYU Astronomy Phys 127 Final
Which star has the longest main sequen…
Which two ingredients are needed to ma…
What inevitably forces a star like the…
Stars which are just forming (protosta…
A star of 1/ 2 solar mass (Lower mass stars have a much longe…
Hot stars and interstellar gas
It builds up a core of helium.
infrared
Which star has the longest main sequen…
A star of 1/ 2 solar mass (Lower mass stars have a much longe…
Which two ingredients are needed to ma…
Hot stars and interstellar gas
18 terms
Go Ahead 9 Unit 2 S. 127 unten
to matter, >to be important
patient
survival
oncoming
von Bedeutung sein, darauf ankommen
Patient/in
Überleben
aus der Gegenrichtung
to matter, >to be important
von Bedeutung sein, darauf ankommen
patient
Patient/in
157 terms
Chem 127 Final
Chemistry
Matter
Three states of matter?
Two common systems of measurements?
The study of matter and changes in matter.
Anything that has mass and takes up space.
Solid, liquid, and gas.
Metric system (most widely used) and English system (used mos…
Chemistry
The study of matter and changes in matter.
Matter
Anything that has mass and takes up space.
13 terms
MT127 Quiz #2
Standard Precautions
Hand Hygiene
15
2 minutes
The term for infection control measures is:
The easiest and best measure to prevent the spread of infecti…
During hand washing, massage soap hands, forearms, and elbows…
If the therapist has touched any known or suspected contamina…
Standard Precautions
The term for infection control measures is:
Hand Hygiene
The easiest and best measure to prevent the spread of infecti…
272 terms
SPHP 127 Blanton Exam 2 CSUS
T/F children with CLP are usually dela…
What is blantons theory of why CLP ch…
Some children with cleft may have synd…
Do children with CLP quickly catch up…
true
- they don't get to practice ... - they don't get reinforcements…
cognitive deficits
yes
T/F children with CLP are usually dela…
true
What is blantons theory of why CLP ch…
- they don't get to practice ... - they don't get reinforcements…
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