Física
Cinemática, análisis de fuerzas, electricidad y razonamiento con ecuaciones.
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seema knows the mass of a basketball. what other information is needed …
acceleration due to gravity and the height the ball reaches
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while conducting experiments to study the effect of humor on stressed s…
immunoglobulin A
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solar panel power output the graph of the function f shown in the accom…
The function \( f \) is increasing on the interval \([0,10]\) and decreasing on the interval \([10,15]\).
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which is occurring when work is being done? energy is being reverted. e…
Energy is being transferred.
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as a person pushes a box across a floor, the energy from the persons mo…
It is conserved.
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examine the pictures. which resource produces the cleanest energy? coal…
wind
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cassietta is taking an interest inventory. one of the questions asks he…
B. forced-choice format
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which resource is a nonrenewable resource? o fresh water o maple trees …
precious metal
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if the kinetic and potential energy in a system are equal, then the pot…
Energy of motion decreases.
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when a person strikes and lights a match, potential energy in the match…
thermal and radiant
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a restaurant advertises that it is environmentally friendly. it describ…
produce, sunlight, wood
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what is the source of almost all energy on earth? earths hot core the s…
the Sun
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which set of terms best defines what affects kinetic energy and potenti…
velocity, height
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because of the costs involved in maintaining high temperatures and pres…
fusion
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how does the sun release nuclear energy? through the fusion of a uraniu…
through the fusion of hydrogen nuclei into a heavier nucleus
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what is the unit of measure for energy? watt newtons joules meters per …
joules
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social media platforms for music distribution form in todays digital ag…
b. Vimeo
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5. explain why it is so difficult to achieve escape velocity in a rocke…
Achieving escape velocity is difficult for rockets due to high energy requirements (based on \(v_{e}=\sqrt{\frac{2GM}{R}}\) and \(K=\frac{1}{2}mv_{e}^{2}\)), work against gravity …
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social media platforms for music distribution form in todays digital ag…
B. Niche genres
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which best describes a difference between energy transformations in pow…
Only power plants use fossil fuels to transform energy.
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doug is doing work. without knowing exactly what he is doing, which can…
Energy is transferred.
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social media platforms for music distribution form in todays digital ag…
B. FM Radio
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social media platforms for music distribution form in todays digital ag…
A. iTunes/Apple Music
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which best defines energy? a type of wave that carries energy through s…
the ability to do work
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a 40 kg dog is sitting on top of a hillside and has a potential energy …
B. \(4.0\space m\)
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which statement describes a disadvantage of using natural gas as an ene…
It is scarce in some parts of the world.
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which describes one way that renewable resources differ from nonrenewab…
Renewable resources make cleaner energy.
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social media platforms for music distribution form in todays digital ag…
B. Ephemeral content
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how little gold the central bank had in its reserves. of course, execut…
The government raised gold's price after buying it. Some believed that the order was not constitutional.
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which compares the problems associated with radioactive waste created f…
The radioactive waste from fusion reactions becomes less hazardous much sooner than the waste from fission reactions.
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mateos parents are thinking about investing money to help develop a new…
Fusion requires high temperatures and pressures, so how have they reduced the energy cost for it?
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which statement describes one way that wind energy is different from en…
Wind energy reliability can be inconsistent.
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which is an example of potential energy? a swimmer kicking their legs a…
a yo - yo in someone's hand
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which will reduce the possible environmental damage associated with min…
developing better places to store radioactive wastes
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a nuclear power plant is scheduled to undergo a retrofitting. what is t…
The power plant will recycle the water it uses to cool the reactor.
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this table shows four examples of experiments. which describes who will…
Lily, Astrid, Henry, and Bob
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which is a concern about mining for uranium? heated water could be rele…
Dust released in the air could be radioactive.
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what is the main reason why many nuclear power plants are located near …
to have easy access to a coolant for the reactor
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which element is the primary fuel used to generate electricity using nu…
uranium
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why are very high temperatures and pressures required for fusion to occ…
to overcome the repulsion between the protons in the nuclei that join
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improvements in which area would help reduce the possibility of damage …
more - efficient extraction techniques
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multiple choice question which statement best describes the relationshi…
The coefficient of static friction is a larger value than the coefficient of kinetic friction.
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select all that apply which of these are types of friction? □ elastic f…
B. dynamic friction, C. kinetic friction, D. static friction
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true or false question true or false: friction always opposes motion. t…
False
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the image shows a process that releases nuclear energy. which statement…
The process must be fission because a large nucleus breaks into smaller nuclei.
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fill in the blank question measurements of of friction are very sensiti…
coefficient; surfaces
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which refers to the continuous release of nuclear energy caused when on…
chain reaction
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which feature of nuclear fission reactions allows these reactions to ta…
Neutrons start the reaction and are released during it.
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fill in the blank question friction forces operate differently dependin…
relative motion, kinetic, static
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identifying fission products what are the products of a fission reactio…
lighter atoms, energy, neutrons
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review the second and third paragraphs. the popularity of meditation in…
Patients experienced less pain and stress from their medical problems.
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multiple select question select all that apply which everyday scenarios…
- sliding a book across a desk - tires gripping the pavement of a road
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why is fusion nuclear energy currently not widely used as a source of e…
Fusion reactions require very high temperatures and pressure.
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multiple choice question a 54.2 - kg crate is pushed across a surface a…
\(1.3\times 10^{2}\space N\)
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neutron - absorbing material rods containing uranium nuclear reactor a …
up
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multiple choice question which statement best describes the relationshi…
The coefficient of static friction is a larger value than the coefficient of kinetic friction.
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what are the potential problems for nearby water sources when using nuc…
- It contaminates water with radioactive waste. - It adds very hot water to cool water environments. - It creates hazardous conditions for organisms living in the water.
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fill in the blank question the value given by the slope of a line on a …
coefficient; kinetic friction
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if javier rolls a 10 - pound bowling ball and a 1 - pound tennis ball d…
The 10 - pound bowling ball will have more kinetic energy. Because when they roll down the same hill (same velocity \(v\)), and using the formula \(K.E.=\frac{1}{2}mv^{2}\), the b…
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5 of 11 concepts completed multiple select question select all that app…
kinetic friction, dynamic friction, static friction
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why are we able to use nuclear energy for practical purposes? the react…
The reactions are controlled to regulate energy output.
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below. based on the maps, which statements are true? select all that ap…
The biggest cities in the Middle East are located near water sources., In Iran, there are more underground water sources than areas with heavy rainfall., Turkey has more areas wit…
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true or false question true or false: friction always opposes motion. t…
False
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nuclear energy assignment active describing chain reactions a chain rea…
more
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lets try it: speed and mass in kinetic energy if javier rolls a 10 - po…
The 10 - pound bowling ball will have more kinetic energy. Because when two objects have the same velocity (rolling down the same hill), the object with a larger mass (since \(K.E…
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multiple choice question in the relationship ( f_{f, \text { static }} …
The static friction force can increase up to, but cannot exceed, the calculated value \(\mu_sF_N\).
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defining nuclear energy nuclear energy is the energy stored in the of a…
nucleus
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nile river euphrates river jordan river body of water description this …
1. Nile River 2. Euphrates River 3. Jordan River
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multiple choice question which equation properly describes the relation…
\(\mu_{k}=\frac{F_{f,kinetic}}{F_{N}}\) (the fourth option)
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pushing with a force of 51.4 n allows an object on a surface with a coe…
\(109\)
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fill in the blank question the harder one object is pushed against the …
larger
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describing potential problems which statements accurately describe the …
It is hazardous for hundreds to thousands of years. Some waste can be recycled and used again. It is hazardous to living organisms forever.
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electricity from fusion nuclear energy is not possible. accounts for le…
has been achieved, but is not yet practical.
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regulating electricity production the production of electricity from fi…
the amount of neutrons available.
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iron - 56 contains 26 protons and 26 electrons. the radius of the nucle…
- Part A: \(V_{nucleus}:V_{atom}=4.9\times 10^{-43},1.6\times 10^{-29}\ m^{3}\) - Part B: \(\frac{V_{nucleus}}{V_{atom}} = 3.1\times 10^{-12}\%\)
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describing the principles of nuclear reactions which statements describ…
Nuclear reactions involve the nuclei of atoms.
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whose work predicted that mass could be converted into energy and vice …
Albert Einstein
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early discovery and development of isotopes for well over a century, sc…
Protons and neutrons.
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if you need to download something for a class, first a. check your syst…
B. Make sure it is from a credible site
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identifying particles involved with nuclear energy nuclear energy is as…
protons and neutrons.
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what is imagery? (1 point) the overall emotional feeling or atmosphere …
a writer’s descriptions that evoke mental snapshots that appeal to the senses
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quiz complete which statement describes an advantage of renewable resou…
They are a source of clean energy.
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how do renewable and nonrenewable resources differ? renewable resources…
Renewable resources replenish within our lifetime.
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select the correct answer. cameron purchased an electric guitar for $1,…
D. 4 years
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which statement describes renewable resources? fossil fuels are a type …
Renewable resources replenish quickly.
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which statement describes a disadvantage of nonrenewable resources? it …
They are expensive to collect and transform into energy.
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which energy source would provide affordable, abundant, easy to produce…
gas generators
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which resource is a renewable resource? coal gemstones metal trees
trees
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fill in write the techterm that best completes each statement. 1. when …
1. friction 2. Bernoulli's principle 3. terminal velocity 4. gravity 5. manometer 6. gravity
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a homeowner wants to reduce the environmental damage of the energy sour…
wind
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type the correct answer in the box. in 1979, the price of electricity w…
\(A = 0.05\), \(b = 1.0205\), \(C=0.05(1.0205)^{t}\)
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how does fresh water differ from coal as a resource? coal replenishes q…
Fresh water is a renewable resource, while coal is a nonrenewable resource.
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energy on earth quiz complete which energy source is a nonrenewable res…
oil
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a student is riding the bus to school. as he rides, he studies a worksh…
the paper used to print the worksheet
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being able to express your thoughts in an email is a primary technology…
F
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the best foods to utilize when sauteeing include a. trout fillet b. unb…
a. Trout fillet, b. Unbreaded broccoli spears, c. Beef medallions, e. Sliced peaches
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a person is standing on a level floor. his head, upper torso, arms, and…
\(0.947\space m\)
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2. what does a steeper line (steeper slope) indicate on a mass vs. volu…
A steeper line (steeper slope) on a mass vs. volume density graph indicates a higher density.
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current attempt in progress a ceiling fan is turned on and a net torque…
Number: $10$ Units: $rad/s^{2}$
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current attempt in progress one end of a meter stick is pinned to a tab…
$d=\frac{2}{6\times0.891}\approx0.376\ m$