Physics
Kinematics, force analysis, electricity, and equation-driven reasoning.
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in the postwar era, the increased availability and affordability of car…
the growth of suburbs
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3 what does the balloon attached to the steaming tea kettle show about …
Gases expand when heated.
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kristina has three skateboards for her skateboarding competitions. the …
The brown and pink skateboards experienced the strongest force because they are both more massive than the green skateboard and they changed speed by the same amount.
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hockey is a sport in which players use hockey sticks to push a puck acr…
The black and purple hockey pucks; they have more mass than the green puck, but changed speed by the same amount.
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three toy boats with the same mass were in a lake. two boats were movin…
All three toy boats experienced the same strength force because they changed speed by the same amount.
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34 multiple choice 1 point the bone marking word \sulcus\ is an example…
Question 34: indentation (a.k.a. a place where the bone tissue in lower than the areas around it) Question 35: projection (a.k.a. something that sticks out from a flat part of the…
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q3) why should you copy and paste your code from the python compiler in…
Q3: C. Google Docs has auto - formatting features that will cause errors in your code. For example, it may turn a straight quotation mark into a curly one, thereby making it impos…
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miniature golf is a game in which players hit a golf ball with a club, …
The green golf ball because it changed speed the most.
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q1) how can you find your individual coding folder (which contains your…
Q1: b) Mr. Toaha posted individual student coding folder links on Google Classroom Q2: c) Order of operations for string concatenation
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using the priority list t1, t6, t5, t3, t9, t8, t2, t10, t4, t7, schedu…
Task 7 is done by Processor 3 starting at time 15. Task 9 is done by Processor 1 starting at time 11.
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analyzing appeals the birds, for example - where had they gone? many pe…
by highlighting people's confusion about what is happening to the birds
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using the priority list t₂, t₃, t₄, t₆, t₅, t₁, t₇, schedule the projec…
2,5,1,7
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what role does the vice president serve in the executive branch? serve …
Serve as acting president when necessary
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a 1 m$_{\\text{sun}}$ star will end its life as a white dwarf. black ho…
white dwarf.
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einstein predicted that would be deflected by the gravitational field o…
Starlight, sun, general relativity
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einstein predicted that would be deflected by the gravitational field o…
Light; a massive object; general
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a neutron star is than a white dwarf. a star that will become a pulsar …
1. denser 2. more massive 3. black hole
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the schwarzschild radius of a black hole with a mass of 1.0 $m_{sun}$ i…
C. 30.0 km
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black holes are empty holes in space. objects that can form from massiv…
objects that can form from massive stars, with such strong gravity that even light cannot escape.
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place the effects associated with stellar black holes into the appropri…
Astronaut: astronaut crosses event horizon, flashlight's color would remain blue Observer: astronaut would never cross the event horizon, astronaut's clock would slow down
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place the items based on whether or not they are real methods used for …
Method for detecting black holes: gravitational effects on objects orbiting black holes, X - ray observations of an accretion disk Not a method for detecting black holes: direct o…
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word choice and purpose read the excerpt from silent spring. then, answ…
to emphasize the horror of what has happened
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which of these is a possible source of gamma - ray bursts that astronom…
All of the above options are possible sources of gamma - ray bursts.
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which type of scientific statement is defined as a statement of fact th…
C. law
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which of these is a possible source of gamma - ray bursts that astronom…
All of the above options are possible sources of gamma - ray bursts.
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classify statements as describing type ia supernovae or type ii superno…
Type Ia: explosion occurs when the star attempts to fuse iron, occurs as a white dwarf reaches the Chandrasekhar limit, occurs in white dwarf binary pairs Type II: strong hydrogen…
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which type of scientific statement is defined as \a possible explanatio…
A. hypothesis
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carsons purpose which environmental concern was rachel carson most pass…
the negative impact of pesticides on plant and animal life
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identify the properties by whether they are characteristic of novae, su…
Novae: involve a temporary increase in brightness, can happen repeatedly from the same star Both: progenitor can be a white dwarf Supernovae: can result in an explosion that blows…
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consider a close binary system composed of a white dwarf, a giant star,…
True: The accretion disk deposits hydrogen onto the surface of the white dwarf, The mass of the white dwarf increases over time False: The white dwarf could explode as a planetary…
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a nova occurs when hydrogen accreted onto a white dwarf from a close co…
A. hydrogen accreted onto a white dwarf from a close companion rapidly fuses to helium, releasing a large amount of energy.
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a periodic astrophysical radio source is detected that has a period of …
a rapidly rotating neutron star
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which of the properties are true of neutron stars? roughly the size of …
- supported by neutron degeneracy pressure - mass greater than 1.4 solar masses - possible remnant of a Type II supernova
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the gold in jewelry was formed in supernovae. a distant galaxy. stars. …
supernovae.
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nuclei heavier than iron are formed in pulsars. in the cores of main se…
in the explosions of massive stars.
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why can the fusion of iron into heavier elements not support a star? fu…
Fusing iron into heavier elements consumes energy rather than releasing energy, resulting in the star collapsing.
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degeneracy pressure is most important in a star like the sun. a red gia…
a neutron star.
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an isolated white dwarf will eventually explode as a supernova when ele…
continue to cool indefinitely.
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which object has smallest radius? venus jupiter neutron star a - type m…
neutron star
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which object has smallest radius? venus jupiter neutron star a - type m…
Venus
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why does the core of a star collapse after fusion has stopped? the stro…
The gravitational attraction of the material in the star is large enough to overcome the outward radiation pressure from the core.
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place the events that occur at the end of a solar - mass stars life in …
1. Helium fusion begins in core 2. Double - shell burning of hydrogen and helium 3. Final stages of mass loss via stellar winds 4. Planetary nebula dissipates away 5. Inert carbon…
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after a low - mass star (i.e., a star less than about 8 solar masses) e…
None of the above options are correct.
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if a horizontal branch star burns helium at a higher temperature than a…
Red giant stars are bigger and give off more total light.
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when a star exhausts its core hydrogen, its core while the star as a wh…
The first blank: contracts The second blank: expands
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a high - mass star has a ○ equally long main sequence lifetime as a low…
1. C. shorter main sequence lifetime than a low - mass star. 2. A. uses up its nuclear fuel faster than a low - mass star does.
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the helium flash only occurs in low - mass stars because the extreme pr…
the density and pressure of the degenerate matter in the helium core allows for runaway fusion of helium
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the helium flash only occurs in because protostars binary stars high - …
low - mass stars
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particles in each state of matter behave differently because they have …
- Particles in a solid have thermal energy. - Particles in a solid are packed tightly.
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question 22 of 29 choose the correct statement. the cluster in h - r di…
The cluster in H - R diagram A is an open cluster because it still has blue main sequence stars.
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2. the empire state building is an example of a ____________ characteri…
2. human - made 4. intermediate 6. coordinates 9. Prime Meridian
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the bone marking word \fissure\ is an example of a kind of: edge (a.k.a…
indentation (a.k.a. a place where the bone tissue in lower than the areas around it)
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25 multiple choice 1 point the bone marking word \fissure\ is an exampl…
indentation (a.k.a. a place where the bone tissue in lower than the areas around it)
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vehicles are expected to be moving at around ________ on highways. 40 -…
C. 50 - 70 mph
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arrange the following elements from first to last to undergo nuclear fu…
First: hydrogen Second: helium Third: carbon Fourth: oxygen Last: silicon
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you may encounter _____ in rural areas at a higher rate than urban area…
wildlife or livestock
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you have learned about how particles in solids, liquids, and gases beha…
The text has multiple inaccuracies regarding how particles in substances behave as thermal energy changes.
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in a gas, particles are far from one another and constantly move in dif…
Liquids: Particles are arranged close together. Gases: Particles are spread far from one another. Both liquids and gases: Particles do not stay in the same position.
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what happens when you heat a liquid? the particles begin to slide past …
The particles gain thermal energy. The substance vaporizes and becomes a gas.
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the current location of the sun in the h - r diagram is shown as a poin…
B.
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the current location of the sun in the h - r diagram is shown as a poin…
The specific correct option among A, B, C, D cannot be determined without seeing the actual positions of the points on the H - R diagram in the image, but conceptually, it should …
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the current location of the sun in the h - r diagram is shown as a poin…
B.
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question 17 of 29 cluster a is much less dense closer older less massiv…
less dense
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the particles in both solids and liquids are arranged close together. b…
| | Solid | Liquid | |--|--|--| | The substance's shape does not depend on its container. | √ | × | | Particles move around one another. | × | √ | | Particles always stay near oth…
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what happens when you heat a solid? heating a substance increases its t…
The substance melts and becomes a liquid.
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your speed of travel is one of the key items fully under your control. …
FALSE
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question 16 of 29 > use the h - k diagram to arrange the star clusters …
Cluster β, Cluster γ, Cluster Δ, Cluster ε, Cluster Σ
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consider the hertzsprung - russell (h - r) diagram. which point on the …
B. point B
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example 4 what is the slope of the continental slope at cape hatteras? …
$-4.1$
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the habitable zone around a star is defined as the zone within which a …
the temperature would be right for liquid water to exist on a planet.
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hot jupiters are massive gas giant exoplanets that are physically simil…
They formed far from their stars, like Jupiter, and then migrated inward.
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what method might be used to detect the existence of the outer planet i…
radial velocity method
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question 12 of 29 > the light of the inner star as it orbits the center…
For the first part: is redshifted and is blueshifted (as it orbits, its radial velocity changes causing both). For the second part: radial velocity method
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question 13 of 29 > suppose an astronomer observes a star - system orie…
does not change
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the radial velocity method preferentially detects large planets that ar…
minimum mass
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most of the substances around you exist in three common states of matte…
First diagram: gas Second diagram: solid Third diagram: liquid
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the radial velocity method preferentially detects the central star and …
large planets that are close to
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astronomers have been able to determine the density of some exoplanets …
the transit and radial velocity methods.
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the transit method of finding exoplanets is the only reliable method us…
First part: requires sensitive cameras that can monitor the varying brightness of a star as a planet passes in front of it. Second part: an exoplanet's orbital plane must be nearl…
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the term exoplanet means an extrasolar planet, or a planet that orbits …
It is likely that there are billions of planets in our galaxy, the Milky Way.
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what temperature scale has zero as its lowest temperature? a. the avera…
D. The Kelvin scale
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what form of the ideal gas law would you use to calculate the volume of…
C. $V = \frac{nRT}{P}$
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your skills of ________ will be challenged in an urban area. scanning a…
scanning and hazard identification
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what is the ideal gas constant? a. it is a specific constant for a part…
C. It is a universal constant used for all gases.
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what is the total pressure of a gas mixture containing partial pressure…
B. 1.54 atm
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a t tauri star is a new star that has just initiated nuclear fusion and…
C. protostar that is just emerging from the cloud of dust and gas it formed within.
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what relationship does boyles law describe? a. the relationship between…
A. The relationship between pressure and volume
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world geography for $800 which sea between greece and turkey contains i…
The Aegean Sea
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what is the ideal gas law? a. a law comparing reactivities of different…
D. A law describing the properties of a gas
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science for $800 who is credited with discovering the antibiotic penici…
Alexander Fleming
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classify each event that occurs during the formation of a single star a…
Result from rotating gas cloud: rapidly rotating star, formation of a disk around the star, orbit of planets in a common plane around the star Do not result from rotating gas clou…
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what physical principle is responsible for these features? newtons thir…
conservation of angular momentum
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classify each event that occurs during the formation of a single star a…
Result from rotating gas cloud: Formation of a disk around the star, Orbit of planets in a common plane around the star, Rapidly rotating star Do not result from rotating gas clou…
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world geography for $1000 which spanish citys port faces africa across …
Algeciras
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which sport has the highest chance for tbi (traumatic brain injury)? sk…
B. football
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it is most difficult to study star formation at visible wavelengths. in…
First part: visible wavelengths Second part: Stars form in dusty regions that are opaque to these wavelengths.
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which of the processes can initiate the collapse of an interstellar clo…
collision with another cloud
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science for $1000 considering stars and space, what is the most abundan…
Hydrogen
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when is expressing numbers using scientific notation useful? a. when th…
C. When the numbers are very large or very small
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the diagram shows the field lines near the poles, x and y, of two magne…
X: north Y: north