物理
运动学、受力分析、电学与方程推导。
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which of the following best describes the risks of installing bloatware…
c. It unnecessarily consumes resources on the computer. d. It may inject advertising that interferes with web browsing.
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2 the sun is a medium - sized star that is closer to the earth than any…
C. In the spiral arm of the Milky Way
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1 a student learns that the sun is classified as a medium - size star a…
B. The sun is much closer to Earth than other stars are.
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1 a student learns that the sun is classified as a medium - size star a…
B. The sun is much closer to Earth than other stars are.
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why did soviet leader joseph stalin want the united states and britain …
D. to open a second front and force Germany to split its army
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put the following in order of how convection currents in the mantle mov…
B. III, IV, II, I
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how did roosevelts lend - lease act shift us foreign policy away from i…
A. It lent arms to Allied forces and allowed them to pay later.
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how were the japanese able to surprise the us at pearl harbor? japanese…
Japanese aircraft carriers had approached Hawaii unnoticed.
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german scientists were concerned about nazi restrictions on uranium sal…
D. uranium could be used in research on atomic weapons.
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c5 - center of mass and moments: problem 1 (4 points) results for this …
\(M_x = 8\), \(M_y = 1\), \(x=\frac{1}{21}\), \(y = \frac{8}{21}\)
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9. what is the function of a buffer, such as bicarbonate ions in the bl…
The function of a buffer such as bicarbonate ions in the blood is to resist changes in pH.
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q: what is something that is visible? a. it can be touched with your fi…
C. It can be seen with your eyes.
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1. if an engineer’s iron ring (c = 0.449 j/g°c) has a mass of 5.5 grams…
$7.4J$
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under executive order 9066, the military could remove people considered…
"could remove people considered a threat from their homes."
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q: what is the climate of a place? a. it is only how hot it is in the s…
c. It is what the weather is like there during any given year.
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during world war ii, why did japan strongly and passionately defend iwo…
It was considered part of the Japanese homeland.
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read the excerpt from the code book. although traffic analysis, tempest…
Breaking RSA code is the greatest challenge for cryptanalysts.
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one litre of water at 1.00°c is warmed by the addition of 4.00 kj of he…
\(1.95^{\circ}\text{C}\)
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if you are good at geography, you probably: a. can name all or most of …
a. Can name all or most of the countries in the world
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lucy is writing about this excerpt from the code book. only a small fra…
This book helps me realize that much of my online information is not secure.
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one litre of water at 1.00°c is warmed by the addition of 4.00 kj of he…
\(1.96^{\circ}C\)
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4. describe the electric charges of the three main subatomic particles.
Protons: positive charge (\(+1\) \(e\)). Neutrons: no charge (\(0\) \(e\)). Electrons: negative charge (\(-1\) \(e\)).
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question # 4 multiple choice wilbur the robot was designed to vacuum fl…
user innovation
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worlds fair wonders: the world columbian exposition, chicago 1893 the w…
1. Chicago 2. Ferris wheel 3. electric lights 4. Christopher 5. 27
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4. ccc energy and matter what is the law of conservation of mass? why i…
The Law of Conservation of Mass states mass is neither created nor destroyed. It's important in Earth's recycling as it keeps element amounts constant. Example: In the water cycle…
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22 multiple choice the infant becomes unresponsive. which action do you…
Give sets of 5 back slaps and 5 chest thrusts.
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18. when you are performing cpr on an unresponsive person whom you know…
You should attempt a jaw thrust instead of a head tilt - chin lift.
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early defibrillation is a link in the adult chain of survival. why is t…
- First question: It eliminates the abnormal heart rhythm. - Second question: On a hairy chest, the pads may not stick and may fail to deliver a shock.
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2. which of the following diagrams represents midnight at point a?
C.
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a victim with a foreign - body airway obstruction becomes unresponsive.…
First question: Start CPR, beginning with chest compressions. Second question: Maintaining a compression rate of 90 to 120/min (the correct rate is 100 - 120/min, but among the op…
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7. when the aed arrives, what is the first step for using it? press the…
For the first question (7), the correct answer is "Turn on the AED". For the second question (08), the correct answer is "Follow the AED prompts".
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you witness someone suddenly collapse. the person is unresponsive, you …
For the first question: Begin CPR; the gasps are not normal breathing. For the second question: It can restore a regular cardiac rhythm.
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the formula ( c=\frac{5}{9}(f - 32) ) expresses the relationship betwee…
\( 0 \)
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danielle is a natural leader. while she doesnt consider herself to be c…
Business Development Manager
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1.2 physical quantities and units 1. the speed limit on some interstate…
(a) Approximately \(27.8\) m/s. (b) Approximately \(62.1\) mph.
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when the meter or spare battery are fully - charged, the indicator ligh…
b. Green
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Question was provided via image upload.
\(55\)
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for the evidence below, the author provides... spending time in the sun…
No Source Information or Reporting Verb
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9.2: matching activity match the term with the correct definition. acid…
acid reflux disorder - D, constipation - F, disordered eating - E, eating disorder - A, lanugo - G, orthorexia - B, purging - C
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what are the three majors factors which affect weather?
Temperature, air pressure, and humidity.
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15. which best describes rutherfords model of the atom? a sports stadiu…
a sports stadium with a marble at the center
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5. you might think coral reefs are very strong. theyre actually quite d…
A. to inform
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8. atoms may emit light energy when ______. protons move to a higher en…
electrons move to a lower energy level
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7. j. j. thomsons experiments provided evidence that an atom contains n…
contains negatively charged particles
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a brick of mass 5 kg is released from rest at a height of 3 m. how fast…
A. \(8.1\ \text{m/s}\)
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this image is an example of lunar eclipse full moon solar eclipse new m…
C. Solar eclipse
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a roller coaster has a mass of 250 kg. it drops from rest at the top of…
B. \(41.6\ m/s\)
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based on the diagram below, which 2 positions on earth will experience …
A. A, C.
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question 7 of 10 which statement describes the law of conservation of e…
A. Energy can change forms but cannot be created or destroyed.
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what energy transformation is performed by a television? a. electrical …
A. Electrical energy to light energy
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question 4 of 10 a ball of mass 0.2 kg is dropped from a height of 10 m…
A. 19.6 J
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1. which list shows the development of atomic models in chronological o…
plum pudding, solar system, electron cloud
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this mineral has the following properties: luster: answer to question 2…
Graphite
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a pendulum has a mass of 0.7 kg and starts at a height of 1.1 m. if it …
D. 3.7 m/s
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crisis no. 1 thomas paine these are the times that try mens souls: the …
C. To awaken the sleeping American fed with England at that time.
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a parachutist of mass 100 kg falls from a height of 500 m. under realis…
B. \( KE < 490\ \text{kJ} \)
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a block of mass 1.5 kg slides down an inclined plane that has an angle …
C. 44.1 J
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a runner has a speed of 5 m/s and a mass of 130 kg. what is his kinetic…
A. 3250 J
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a 6 kg weight is lifted off the ground to a height that gives it 70.56 …
C. \(1.2\space m\)
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a paper airplane with mass 0.1 kg is flying 1.5 m above the ground with…
A. 1.67 J
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38 \can i catch her? i want to see if riley throws as hard as she hits …
A. It would reduce suspense by revealing the ending too soon.
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which car has the most kinetic energy? a. a car of mass 1000 kg with sp…
C. A car of mass 2000 kg with speed 7 m/s
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which object has the most gravitational potential energy? a. an 8 kg bo…
A. An 8 kg book at a height of 3 m
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a 4 kg vase sits on a shelf at a height of 1.2 m. how much gravitationa…
A. \(7.84\space J\)
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nunavut in canada is a semiautonomous region that allows an indigenous …
E. It created centripetal forces at both local and national scales.
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what is the si unit for energy? a. speed b. pound c. joule d. calorie
C. Joule
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a wheel of mass 38 kg is lifted to a height of 0.8 m. how much gravitat…
C. \(297.9\space J\)
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the twenty - sixth amendment to the us constitution, ratified during th…
lowered the voting age to eighteen.
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which of the following is a contact force? a. magnetic force b. electri…
C. Friction
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question 7 of 10 what type of force slows down a skydiver? a. gravity b…
B. Air resistance
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a skier pushes himself along the snow on flat ground. he feels air resi…
C. Forward
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an electrician leans an extension ladder against the outside wall of a …
The length of the ladder is approximately $30.7$ feet.
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read the two passages from sugar changed the world. knowing that their …
Both passages share historical details to support the claim that the lives of sugarcane workers in different countries were essentially the same.
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a. magnetic force acts between two objects that are not touching. b. ma…
A. Magnetic force acts between two objects that are not touching.
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2 mark for review which of the following compares the impact of increas…
E. Global communications technology may bring in new ideas that act as centrifugal forces, whereas state - controlled media is utilized as a centripetal force to present a common …
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read the passage from sugar changed the world. some of the enslaved too…
Silence has a negative connotation, indicating that the owners would not tolerate protests.
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the u.s. constitution and bill of rights the second amendment: right to…
to ensure citizens have tools for self - defense
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12 formula 1 point the gravitational field strength on a planets surfac…
\(3.575\ N/kg\)
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read the passage from sugar changed the world. then gandhi invited each…
The authors want to persuade readers that Gandhi had a strong influence on the Indian workers.
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which of the following correctly compares the impact of centripetal for…
B. Centripetal forces at both the local scale and the national scale may lead to increased cultural cohesion.
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question 4 of 10 which force causes a north pole and a south pole to at…
B. Magnetic force
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a distant moon has a gravitational field strength of 2.8 n/kg on its su…
\(534.8\space N\)
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3. a snowboarder starts at the top of a 13 m icy hill. assume the snowb…
A. \(17\space m/s\)
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hour, honks and shouts would drift up from the streets below. you grow …
A. reinforce the contrast between the children's joy and adults' frustration
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question 4 __________ contain only sensory neurons that relay informati…
C. Sensory nerves
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question 3 is a thick layer of dense irregular connective tissue that e…
D. Epineurium
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question 2 20 points associated with sensory neurons that extend into t…
B. dorsal root ganglia
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10 formula 1 point a 702.771 kg space ship is in orbit around an astero…
\(8.47\times 10^{10}\)
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question 1 is a layer of dense irregular connective tissue that wraps e…
A. Perineurium
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9 multiple answer 1 point select all of the following statements which …
B. Gravitational field strength is a synonym for gravitational acceleration, C. gravitational acceleration can be measured in units of \(m/s^{2}\), D. Units of \(N/kg\) are equiva…
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question 3 of 10 a skydiver finds that she speeds up when she holds her…
B. It reduces the force of air resistance.
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a proposed gravity tractor has a mass of 3000 kg. at what distance shou…
\(r\approx68.5\space m\)
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7 multiple choice 1 point two objects of equal mass \m\ are held a dist…
B. \(4F\)
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a planet has a mass of 6.49 x 10^25 kg and a radius of 2.1 x 10^7 meter…
\(9.8\space N/kg\)
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even when the head is held erect, as in the figure below, its center of…
(a) \(F_{M}=\frac{2.7\times50}{5.1}\approx26.5\ N\) (b) \(F_{support}=26.5 + 50=76.5\ N\)
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two objects of equal mass \m\ are held a distance \d\ from each other, …
A. \( F/16 \)
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in __________ masses move down and out by sliding on planes of weakness…
translational slides
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question 5 the central nervous system includes the: a sensory receptors…
D. spinal cord
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two children playing on a frictionless garden gate invent a new game ca…
\(348\space N\)
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the natural materials most commonly associated with earth failures are …
clay minerals