物理
力学、受力分析、電気、式を使った解法。
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11 formula 1 point a 6 kg box sits on a scale. a student presses down o…
\( 51.2\,\text{Newtons} \) (or using \( g = 10\,\text{m/s}^2 \), \( F_A = 110 - 60 = 50\,\text{N} \), depending on \( g \) approximation)
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10 formula 1 point a box has a mass of 3 kilograms. the box has an init…
The coefficient of friction \(\mu_k\approx0.65\) (or more precisely \(\frac{32}{49}\approx0.653\))
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in a bjt circuit, if \\( \\beta = 125 \\), what is \\( \\alpha \\)? sel…
b. 0.992
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9 formula 1 point a force of 14 newtons is applied to an object that ha…
\( 7 \, \text{m/s}^2 \)
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6 formula 1 point a sled is pulled to the right by a tension force equa…
\( 3.8 \)
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7 formula 1 point a box with a mass of 6 kilograms is placed on a ramp.…
\( \frac{\sqrt{3}}{3} \) (or approximately \( 0.58 \))
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6 formula 1 point a ball is dropped from rest on earth. the ball falls …
\( 11.025\) meters (or approximately \( 11.0\) meters or \( 11\) meters depending on significant figures, but the precise calculation gives \( 11.025\) m)
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if you had 3 ce amplifiers with the following gains $a_{v1} = 10$, $a_{…
100.00 V
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if you had 3 ce amplifiers with the following gains $a_{v1} = 10$, $a_{…
52.04
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if you had 3 ce amplifiers with the following gains $a_{v1} = 10$, $a_{…
400.00
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5 formula 1 point a small asteroid has a mass of 632,794,535 kg. the as…
\boxed{244} (or more precise value like 243.9, depending on calculation precision)
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4 multiple choice 1 point two planets are a distance of d-meters apart.…
4F (the option corresponding to 4F)
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by waging the gallipoli campaign, the allies hoped to reinforce albania…
B. protect shipping routes to Russia.
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3 multiple choice 1 point a satellite with a mass of “m” (little m for …
\(\boldsymbol{\sqrt{\frac{GM}{r}}}\) (the fourth option in the given choices)
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1 formula 1 point a yo-yo on a string has a mass of 0.6 kilograms. a st…
The tension force in the string is \( 42 \, \text{N} \) (Newtons).
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10 numeric 1 point a frustrated band student decides to rid herself of …
\( \approx 15.3 \) (or more precisely, solving the quadratic gives \( t \approx 2.204 \, \text{s} \), \( R = 4\sqrt{3} \cdot 2.204 \approx 15.27 \approx 15.3 \) meters)
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9 numeric 1 point a frustrated band student decides to rid herself of h…
\(\approx2.2\space s\) (or more precisely, using the quadratic formula calculation, we can get a more accurate value. If we calculate \(\frac{4+\sqrt{310}}{9.8}\), \(\sqrt{310}\ap…
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8 formula 3 points a dart is thrown with an initial velocity of 14 m/s …
\( 9.3 \, \text{meters} \) (or more precisely, using exact steps: \( \Delta y=\frac{(14\sin60^\circ)^2}{2\times9.8}=\frac{14^2\times\frac{3}{4}}{19.6}=\frac{147}{19.6}=7.5 \), so …
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7 numeric 1 point a football is kicked from ground level and has an ini…
\( \approx 1.88 \) (or more precisely \( \frac{13\sqrt{2}}{9.8} \approx 1.88 \))
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4 numeri 2 point a football is kicked from ground level and has an init…
\(\approx 17.24\) (or more accurately, \(\frac{845}{49}\) or approximately \(17.2\) - \(17.3\) meters)
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5 multiple choice 1 point a student kicks a ball. the y component of th…
-5 m/s (the option with -5 m/s)
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multiple answer 1 point a ball is thrown upwards at an angle of 30 degr…
- $\boldsymbol{v_y}$ is equal to $0\ \text{m/s}$ - $\boldsymbol{a_y}=-9.8\ \text{m/s}^2$
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3 multiple answer 1 point a ball is thrown upwards at an angle of 45 de…
- The acceleration in the y direction is \( -9.8 \, \text{m/s}^2 \) - The acceleration in the x direction is \( 0 \, \text{m/s}^2 \)
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2 formula 1 point a ball has an initial velocity of 9 m/s directed at a…
\(4.5\space m/s\)
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1 formula 1 point a ball has an initial velocity of 36 m/s directed at …
\( 18\sqrt{3} \, \text{m/s} \) (or approximately \( 31.18 \, \text{m/s} \))
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r1 =7 kω vcc = 12 v r2 =7 kω rc = 4.7 kω β = 15 re = 6.3 kω
If the question was to find \( V_{ce} \), the answer is approximately \( \boldsymbol{3 \, V} \) (or based on the specific parameter asked, adjust accordingly).
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7. what happens if you put two magnets with two north poles together? u…
V. They will repel. ### Question 8
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1. which substance is considered to be a factor affecting earths ozone …
C. chlorofluorocarbons
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19/23 which type of organisms are found on base of the ecological pyram…
D. autotrophs
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question 19 1 pts the primary care nurse practitioner is performing a p…
Instruct the parents to avoid any herbal supplements or complementary therapy for at least one week before the procedure. ### Question 20
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which environmental factor would cause the greatest decrease in the num…
C. acid rain
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question 18 1 pts the mother of a 2 - year - old child takes the child …
Question 18: The option "Toddlers may be interested in other children but usually do not engage in interactive play" (the third option in Question 18's choices). Question 19: The …
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question 16 1 pts the primary care nurse practitioner is evaluating a 2…
A. Refer the child to an early intervention program. ### Question 17
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one of the most popular port scanners in the hacking and security commu…
B. Nmap
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question 14 1 pts when counseling an adolescent who is concerned about …
- encourage mindful eating techniques - consider using framework such as healthy at every size ### Question 15
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114 minutes remaining 38 of 50 questions remaining test content page 13…
A. True
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exercise precautions is the most common pollutant; we often simply refe…
Ozone
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test content page 11 of 50 question 11 10 points older versions of inte…
A. True
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test content page 10 of 50 question 10 a host is a machine with data on…
A. True
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question 7 heuristic scanning uses rules to determine whether a file or…
A. True
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117 minutes remaining 45 of 50 questions remaining test content page 6 …
A. True
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117 minutes remaining 46 of 50 questions remaining test content page 5 …
B. False
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117 minutes remaining 47 of 50 questions remai test content page 4 of 5…
B. False
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118 minutes remaining 48 of 50 questions remaining test content page 3 …
B. False
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question 10 1 pts the parent of a 14-year-old adolescent is concerned t…
- There is a natural shift of the circadian rhythm during puberty - Attempts to "catch up" on sleep during weekends by sleeping in are linked to disordered eating ### Question 11 …
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when the earth was formed about 4.6 billion years ago, the atmosphere w…
D. oxygen
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question 6 1 pts the primary care nurse practitioner is providing antic…
"Giving infants control of the feeding process will help prevent obesity." ### Question 7
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test content page 2 of 50 question 2 10 points the most widely used sym…
A. True
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question 4 1 pt a 10-year-old is hit in the head with a baseball during…
B. Continuation of physical and cognitive rest (assuming the option with this text is labeled as B; if the original option labeling was different, adjust accordingly based on the …
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question 1 auditing is the process to determine if a user’s credentials…
B. False
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question 3 1 pts a 9-month-old infant has developed two teeth since the…
B. Apply sodium fluoride varnish to the infant’s teeth ### Question 4 (partial information, but based on concussion management):
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in the eastern pacific shown in the image below what is the average sea…
The average sea level in the Eastern Pacific (as shown) is below the average (or near - average but with a tendency to be below; more precisely, the sea - level anomaly is general…
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question 1 1 pts which of the following best describes growth and nutri…
Most infants have transitioned to 3 meals with two snacks. ### Question 2
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put these features from underwater volcanism in order of its lifespan/y…
Youngest: 1. Seamount, 2. Guyot, 3. Atoll (Oldest)
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the diagram shows fossils in different rock layers. which of these stat…
The correct statement is "Fossil D is older than fossil C" (the third option).
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6 categorization 7 points place the descriptor in the correct category …
- Active Continental Margins: Narrow shelf, Steep slope, No rise - Passive Continental Margins: wide shelf, gentle slope, wide rise
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5 multiple choice 7 points how did hawaii form? sea floor spreading sta…
B. Stationary Hotspot
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25. you arrive at the scene of a motor vehicle collision where a patien…
# Brief Explanations: To determine safe/unsafe practices for EMTs at a motor vehicle collision scene: - **Approaching the vehicle before scene stabilization**: Unsafe (scene not s…
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24. which of these would be the least useful in initially recognizing t…
Smoke and multiple patients.
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24. which of these would be the least useful in initially recognizing t…
Smoke and multiple patients.
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3 matching 7 points match the feature to the process that formed it ato…
- Atoll - Underwater Volcanism - Mid - oceanic Ridge - Seafloor spreading - Submarine Canyon - Erosion - Delta - Deposition
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17. during emergency vehicle operations, an emt encounters various driv…
| Scenario | Classification | |-------------------------------------------------------------------------|----------------------| | Driving 15 mph over the speed limit on a clear h…
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1 multiple answer 7 points which features below are related to the cont…
A. Continental Rise, B. Continental slope, D. Continental shelf
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15. which of the following describes the best location for the command …
Close to the scene but outside the area of operation.
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14. what is one of the major advantages of using rotary wing transport …
Is able to respond to emergency scenes.
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13. which of the following is the greatest common problem facing ems sy…
Insufficient number of hospital beds.
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12. which scenario would most likely require complex extrication techni…
Trench collapse incident
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9. replacing used equipment after a run occurs during which phase of an…
Preparing for the ambulance call.
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7. an emt crew arrives at a vehicle accident where a patient is trapped…
- Scene approach (1): B. Establish command post location, C. Position ambulance upwind and uphill - Equipment preparation (3): A. Don hard hat and safety glasses - Vehicle stabili…
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6. an emt crew responds to various emergency scenes throughout their sh…
- Enter the hot zone to rescue victims: Not Appropriate EMT Action - Establish a treatment area in the cold zone: Appropriate EMT Action - Perform initial decontamination procedur…
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3. under the standard mettag triage system, a patient with a delayed st…
Yellow, priority 2.
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2. you have requested an air medical transport for a patient who was in…
B. Have them land in the median (assuming the options are labeled as such, with this option being the correct one for the described scenario)
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2. you have requested an air medical transport for a patient who was in…
B. Have them land in the median.
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which statement describes a difference between the lower mantle and oce…
The lower mantle experiences more pressure than oceanic crust does.
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which layer of earth experiences the least amount of pressure? crust ma…
A. crust
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study the diagram about the varying pressures of earth’s layers. which …
A. outer core
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travel time (min) 20 15 10 5 0 0 2,000 4,000 6,000 8,000 10,000 distanc…
6,000 km (corresponding to the option with 6,000 km, e.g., if the option is C. 6,000 km, then C. 6,000 km)
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3/21 which is a true statement on the differences between bacterial and…
To treat a bacterial condition you must use an antibiotic and to treat a viral condition you must use an antiviral
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study the diagram about the varying pressures of earth’s layers. earths…
110 GPa
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what time does the clock show?
9:05
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the composition of rocks affects their densities and the densities of e…
The fourth option (the one with "Fayalite, Eclogite, Perovskite, Stishovite")
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which conclusion is supported by information in the table? the mantle i…
The core is the thickest of Earth’s layers.
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what time does the clock show?
9:20
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which best explains how heat plays a role in the movement of materials …
The fourth option (Hot material near the core is less dense and rises, and when it cools, it becomes more dense and sinks)
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travel time (min) 0 2,000 4,000 6,000 8,000 10,000 distance (km) what d…
B. The P wave travels through Earth’s crust more quickly than the S wave travels.
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study the image of earth’s layers. which statement correctly compares t…
Earth’s lithosphere is thinner than its asthenosphere.
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which event in the war of 1812 made the united states believe they won …
A. Andrew Jackson defeated the British in the Battle of New Orleans.
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with increasing age, the kidneys decrease in size and have significantl…
nephrons
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with increasing age, the kidneys decrease in size and have significantl…
nephrons
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patients with renal failure can undergo ______ to help with the excreti…
dialysis
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question 1 1/8 which of these sentences states the main idea of the art…
B. Waterslides all over the world are popular and have different twists.
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the mean score on a physics test was 75 points. amy’s score was 67 poin…
16
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pro: they provide expertise and information political action groups oft…
Experts in groups help lawmakers by providing research, proposing workable solutions, pointing out consequences lawmakers might miss, leading to more informed policies and better …
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us greenhouse gas emissions, 2013 3% 5% 10% 82% carbon dioxide methane …
More carbon dioxide is emitted in the United States than any other greenhouse gas.
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in an artificial kidney machine, the patients blood is passed through a…
dialysate
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1. the area of a bar magnet where magnetism is the strongest. a. north …
D. both the north and south pole ### Question 2
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pro: they let people work together for change when individuals join a p…
### Pro Section Answers: 1. A single person may struggle to be noticed and lacks the combined resources, volunteers, and expertise a group has (strength in numbers to bring attent…
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water flows through a pipe of radius 0.0250 m at 1.50 m/s. what is the …
\( 2.95\times 10^{- 3}\space m^{3}/s \) (or approximately \( 0.00295\space m^{3}/s \))
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imagine yourself on the surface of a planet having a mass four times th…
A. Your weight would change because mass affects gravitational force directly, but the distance between two bodies affects gravitational force with an inverse square relationship.
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use the information and diagram to answer the following question. in a …
The normal force between the marble and the hoop