Physique
Cinématique, forces, électricité et raisonnement par équations.
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part 2 perform the following calculations. report your answer with the …
13) $10.1$ 14) $130$ 15) $0.04$ 16) $7$ 17) $0.845$ 18) $33$
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18) 120 watts + 365 s= 19) sean is working in the lab and measures the …
$295.15$
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27. the map shows how deep archaeologists have dug at several excavatio…
0m (or any value greater than - 2.27m and less than 2.1m)
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total, starting temperature (°f), amount of water (l), time it took to …
1. Timer, thermometer 2. Yes, because on average water starting at 100°F boils faster than water starting at 70°F. 3. Allows for replication, verification, and further research. 4…
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lee predicted that warm water would boil faster than water at room temp…
1. Thermometer, Timer 2. Yes, because on average, water starting at 100°F boiled faster than water starting at 70°F (ignoring the outlier in trial F).
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name one scientific tool kellen needed to use to complete his observati…
One possible answer could be a microscope. He placed a sample (such as a plant or animal tissue sample on a slide) under the microscope, adjusted the objective lenses and focus kn…
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the sign shown in the image includes an internet address for the county…
A. The internet spreads the use of English as a global lingua franca, but the internet is also a place where technical languages can be communicated.
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8. for each of the position vs time graphs shown below, draw the corres…
For the first set of graphs: - Velocity - time graph: Negative constant value for the first part of time, 0 for the second part. - Acceleration - time graph: 0 throughout. - Motio…
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read the passage. then answer the question. tired eyes many people need…
C. It describes effects of eye fatigue.
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4. the type of map might show the percentage of people in a country who…
4. B. Choropleth 5. D. Political
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e choropleth this type of map is used to show the specific location and…
D. Dot distribution/density
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question 20 of 20 which part of an electrical circuit reduces the flow …
A. A resistor
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question 19 of 20 what allows the electromagnet in a motor to rotate co…
B. The direction of the current in the metal loop frequently reverses.
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3. draw the root - locus shown in the figure below then find the value …
$K\approx10$
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question 18 of 20 how would replacing the aluminum core of an electroma…
C. It would become stronger.
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a pattern forms of iron filings when they are sprinkled around two magn…
B. A magnetic field forms between opposite poles, causing them to attract
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the diagram shows a simple circuit. which change would cause the lightb…
B. Increase the length of the wire between the lightbulb and the battery.
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question 15 of 20 which two activities are practical applications of ma…
C. Separating steel nails from aluminum nails, D. Finding which way is north with a compass
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question 14 of 20 what produces the magnetic field of an electromagnet?…
A. Electric charges moving within its coil of conducting wire.
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question 13 of 20 what happens when an electric current passes through …
D. The magnetic field created is stronger.
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question 12 of 20 suppose you were to make a three - dimensional model …
A. Arrows on the field lines point from the magnet's north pole to its south pole. D. The field lines do not cross paths as they go from one pole of the magnet to the other.
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question 11 of 20 using a coil of wire and a permanent magnet, a studen…
B. Both A and C
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question 10 of 20 what makes electromagnets useful for sorting metals i…
D. The current can be turned on to pick up items containing iron and turned off to drop them.
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the arrows in the diagram show the direction of the magnetic fields of …
D. The object is made of nonmagnetic material.
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question 8 of 20 in an electric generator, a turning loop of wire is pl…
A. Mechanical energy changes to electrical energy resulting in an electric current.
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question 7 of 20 a student measures the voltage and current between two…
A. 147 Ω
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question 6 of 20 what is the unit of measure for electrical power? a. v…
D. Watts
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question 5 of 20 which set of changes is most likely to cause the curre…
B. Increasing voltage and increasing resistance
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question 4 of 20 which labeled part in the photo shows an induced magne…
B. B
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question 3 of 20 which object is made up of a magnetic material? a. an …
A. An iron nail
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question 2 of 20 which statement explains the difference between static…
D. Conductors and insulators can carry static electricity, but only conductors can carry current electricity.
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question 1 of 20 which statement accurately describes how voltage and e…
C. Voltage increases as power increases.
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if the acceleration is positive, the car is ____________
speeding up
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5. a car speeds up from 12 m/s to 36 m/s in 0.5 minutes. what is its ac…
0.8 m/s²
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a car slows down from 40 m/s to 0 m/s in 50 seconds. what is its accele…
$-0.8\ m/s^{2}$
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a car speeds up from 5 m/s to 25 m/s in 1 minute. what is its accelerat…
$\frac{1}{3}\ m/s^{2}$ (or approximately $0.33\ m/s^{2}$)
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the position (in meters) of a marble, given an initial velocity and rol…
a. The position function \(s(t)=\frac{160t}{t + 1}\) can be graphed using a graphing utility. The general shape is an increasing function that starts at the origin \((0,0)\) and a…
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the position (in meters) of a marble, given an initial velocity and rol…
a. The position - function $s(t)$ starts at $(0,0)$ and approaches $y = 160$ as $t ightarrow\infty$. b. $v(t)=\frac{160}{(t + 1)^{2}}$ c. The marble starts with an initial velocit…
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what is the name of the phase change represented by box b? melting evap…
Condensation
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the position (in meters) of a marble, given an initial velocity and rol…
### a. (No specific graph choice given as we don't have full details of the graphs, but it should start at $(0,0)$ and increase towards $y = 120$ in the domain $t\in[0,10]$ and $s…
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the position (in meters) of a marble, given an initial velocity and rol…
a. The graph of \(s(t)=\frac{120t}{t + 1}\) starts at \((0,0)\) and approaches \(y = 120\) as \(t\) increases. b. \(v(t)=\frac{120}{(t + 1)^2}\). c. The graph of \(v(t)\) starts a…
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an object thrown vertically upward from the surface of a celestial body…
a. $v(t)=-0.6t + 27$ b. $t = 45$ seconds c. $s(45)=607.5$ meters d. $t = 90$ seconds e. $v(90)=-27$ m/s f. $t\in(45,90)$
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question 10 (1.5 points) 20. what is a limitation of medicaid reimburse…
Question 10: B. Small number of budgeted Medicaid Waiver slots Question 11: C. Failing to recognize when more acute care is required
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chapter 5 define appetite? give an example of how your family has influ…
Appetite is the desire to eat. An example could be that my family has a traditional pasta recipe that I always enjoy and thus pasta is a regular in my food choices. Carbohydrates …
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what do the letters of the fitt formula stand for?
Frequency, Intensity, Time, Type
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read the excerpt from a short story. the downy pillow covered his ears …
It allows readers to approach a "forbidden door"
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quiz complete 1 2 3 4 5 6 7 time remaining 56:20 read the excerpt from …
It provides a "single powerful spectacle" for the imagination's eye.
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read the excerpt from a short story. they had laughed at the shabbiness…
It allows readers to approach a "forbidden door"
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what are the risks of physical inactivity?
Increased risk of cardiovascular diseases, obesity, musculoskeletal problems, and negative mental - health impacts (such as depression and anxiety).
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110. consider separate 1.0 - l gaseous samples of h₂, xe, cl₂, and o₂ a…
a. $H_2 = Xe=Cl_2 = O_2$ b. $Xe < Cl_2<O_2<H_2$ c. The temperature of $H_2$ must be lower than the temperature of $O_2$ in the ratio of their molar - masses ($\frac{T_{H_2}}{T_{O_…
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examine the eeg readout below and answer the questions that follow. ima…
D. preparing a presentation for an important executive
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read the excerpt from the adventure of the mysterious picture. how was …
by revealing an unhinged psychological state
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reflect on the success of suspenseful story. why do you think suspensef…
Suspenseful stories are popular today because they create anticipation and curiosity in readers, stimulate emotions, and offer an escape from the mundane.
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section 4 exam: ch 12, 21, 22 pharm, immun, tox (2022) started oct 6 at…
An MDI medication delivers the same amount of medication each time it is used.
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which of the following medication administration routes delivers a drug…
B. Intranasal
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what is the wavelength (in nm) of a photon if the energy is 6.85e - 19 …
$290.2$
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a photon has a frequency of 8.55×10^8 hz. what is the energy of this ph…
$5.66523\times 10^{-25}$
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a medication is contraindicated for a patient when it: produces actions…
causes harm or will have no positive effect.
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which color (frequency) of light travels the fastest in a vacuum? answe…
E. All have the same speed.
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what is the wavelength (in nm) of a photon if the energy is 7.47×10^(-1…
266
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question 44 an epinephrine or naloxone autoinjector delivers the medica…
A. muscle tissue
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the green light emitted by a stoplight has a wavelength of 561 nm. what…
$5.35\times10^{14}$
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identify the region of the electromagnetic spectrum where the wavelengt…
C. radio waves
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question 43 which of the following is a narcotic? valium. methamphetami…
C. Codeine
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if the amplitude of an electromagnetic wave increases, the frequency wi…
C. stay the same
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question 42 2 pts which of the following regarding nitroglycerin admini…
Ntg goes under the tongue and must not be expired.
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¿dónde está costa rica?
Costa Rica is located in Central America.
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what is the wavelength (in nm) of blue light that has a frequency of 6.…
472
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which is the correct sequence for these types of radiation in order of …
C. microwave radiation < ultraviolet radiation < X - rays < gamma rays
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question 41 what is the most important aspect to consider when dealing …
Providing high - concentration oxygen.
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question 40 2 pts you are caring for an alert patient with chest pain. …
deliver 15 lpm by NRB mask.
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¿qué país es? honduras estados unidos el salvador nicaragua
Nicaragua
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106. you have a gas in a container fitted with a piston and you change …
1. Decrease the pressure to half of its original value while keeping the number of moles and temperature constant. Reason: According to Boyle's law ($PV = k$ at constant $n$ and $…
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¿qué país es? el salvador honduras república dominicana panamá
El Salvador
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which type of electromagnetic radiation has the largest wavelength? ans…
B. radio waves
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¿qué país es? cuba guinea ecuatorial república dominicana españa
Guinea Ecuatorial
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what is the energy of a mole of photons that have a wavelength of 695 n…
$172200$
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for each question, there are two statements. decide whether each statem…
Statement I: False Statement II: False Statement II is not a correct explanation for Statement I ### 11.
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¿qué país es? guatemala estados unidos cuba honduras
Honduras
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among the following h atom transitions, which would emit a photon of li…
E. $n = 6$ to $n = 3$
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¿qué país es? nicaragua cuba panamá guinea ecuatorial
Panamá
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do you think irving uses this method to create suspense effectively? wr…
Yes, Irving uses the method of evoking an emotional response to create suspense effectively. An example is the description of the characters' reactions upon first seeing the myste…
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¿qué país es? méxico cuba república dominicana guatemala
Guatemala
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¿qué país es? learn with an example costa rica guinea ecuatorial estado…
A. Costa Rica
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how does irving primarily achieve the gothic tone? through repeating ke…
through evoking an emotional response
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a photon has a frequency of 4.5e8 hz. what is the energy of this photon…
$2.98\times 10^{-25}$
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question 33 identify the signs and symptoms of a narcotic overdose. con…
C. Respiratory depression, paranoia, and hypotension.
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*91. a tank measuring 28.6 cm by 73.0 mm by 0.72 m is filled with olive…
$0.92\ kg/L$
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determined to force myself not to look at the painting but to undress q…
being unable to take his eyes away, being nervous
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88. what is the mass of a cube of aluminum that is 3.0 cm on each edge?…
$72.9\ g$
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* 87. the density of dry air measured at 25°c is 1.19×10⁻³ g/cm³. what …
$4.20\times 10^{4}\ cm^{3}$
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*86. a 2.00 - kg sample of bituminous coal is composed of 1.30 kg of ca…
81.25 kg
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85. write six conversion factors involving these units of measure: 1 g …
\(\frac{1\ g}{10^{2}\ cg}\), \(\frac{10^{2}\ cg}{1\ g}\), \(\frac{1\ g}{10^{3}\ mg}\), \(\frac{10^{3}\ mg}{1\ g}\), \(\frac{10^{2}\ cg}{10^{3}\ mg}\), \(\frac{10^{3}\ mg}{10^{2}\ …
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the civil rights act of 1964 included which provisions? select three op…
- outlawed discrimination in the workplace - prohibited segregation in public places - gave the federal government enforcement tools
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which of the following best describes nuclear deterrence? the belief th…
the idea that the threat of nuclear war was enough to stop an attack
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84. a plastic ball with a volume of 19.7 cm³ has a mass of 15.8 g. woul…
The ball would sink.
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5. temperature the table below shows the temperature in fahrenheit for …
a. $F=\frac{9}{5}C + 32$ b. For $25^{\circ}C$, the Fahrenheit equivalent is $77^{\circ}F$. For $35^{\circ}C$, the Fahrenheit equivalent is $95^{\circ}F$.
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83. a piece of wood floats in ethanol but sinks in gasoline. give a ran…
The density of the wood is in the range $0.78\ g/cm^{3}< ho_{wood}<0.789\ g/cm^{3}$
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81. fahrenheit is a third temperature scale. plot the data in the table…
$F=\frac{9}{5}C + 32$
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6. a train locomotive with a mass of 22000 kg moves east with a velocit…
E. 88000 kg·m/s F. Momentum is conserved. The total initial momentum ($88000$ kg·m/s) is equal to the total final momentum ($88000$ kg·m/s). G. It is a closed system. There is no …