物理
运动学、受力分析、电学与方程推导。
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paint chips, random glass fragments, and synthetic fibers all exhibit w…
Class
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which group is public health designed to protect and improve the health…
entire populations
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when a paint chip found on a hit - and - run victims garment is examine…
B. Comparison
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why did theodore roosevelt think merely the threat of force was suffici…
Recent military successes had established the U.S.'s ability to back up its threats.
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which is a trigger for asthma attacks? lack of vitamin d air pollution …
air pollution
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which is one way to reduce the risk of developing osteoarthritis? contr…
controlling weight
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which personal behavior has not been proven to keep one healthy? avoidi…
drinking caffeinated coffee
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which illness might be cured by antibiotics? chicken pox strep throat v…
strep throat
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question 18 (7 points) match the following hormones with their proper f…
- increases the metabolic rate: 5. thyroxine (\(T_4\)) - stimulates the growth of bones and soft tissues: 6. growth hormone (\(GH\)) - stimulates breast development and milk produ…
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which item kills a virus over time? o disinfectant o immune system o an…
immune system
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the value of class physical evidence lies in its ability to corroborate…
True
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question 17 (1 point) epinephrine and norepinephrine is secreted by the…
A. adrenal medulla
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the ________ determines how much light reaches the retina. cornea scler…
pupil
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which item must be passed from person to person in order to acquire an …
pathogen
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question 15 (1 point) which of the following occurs at puberty? a) the …
- **Question 15**: B. the hypothalamus begins to secrete gonadotropic hormones - **Question 16**: a. hypoglycemia
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which item must be passed from person to person in order to acquire an …
pathogen
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which of the following is true for most people? as you get older, your …
For the first question: As you get older, your muscle mass decreases as does the amount of collagen in your muscles. For the second question: CrossFit.
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the determines how much light reaches the retina. cornea sclera lens pu…
A person will be more sensitive to differences in weight than differences in light
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question 13 (1 point) insulin and glucagon are produced in: a) the panc…
- **Question 13**: A. the pancreas - **Question 14**: D. cortisol stimulates the fight - flight response.
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which disease is noninfectious? o e. coli poisoning o cerebral palsy o …
cerebral palsy
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question 11 (1 point) the gonadotropic hormones secreted by the anterio…
- Question 11: B. FSH, LH - Question 12: D. growth hormone
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recent research indicates which of the following? less time for exercis…
- First question: Less time for exercise is needed if you exercise at a vigorous intensity. - Second question: Their maximum heart rate.
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which disease could be classified as an infectious disease? o strep thr…
strep throat
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question 9 (1 point) the posterior pituitary secretes: a) oxytocin and …
- Question 9: A. oxytocin and antidiuretic hormone - Question 10: D. both of these
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question 7 (1 point) themaster gland of the endocrine system is: a) the…
- Question 7: B. the pituitary gland - Question 8: A. releasing factors
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question # 4 multiple select bar codes contain information about ______…
the product being received
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in a police lineup that does not contain the person who actually commit…
- First question: C. false alarm - Second question: Ear → cochlear nucleus → medial geniculate nucleus → primary auditory cortex
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true or false? the germ theory of disease was developed by albert einst…
False
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21 essay 5 points explain what part of the engine is used to connect th…
The part is a timing belt/chain. The ratio is 2:1 (crankshaft:camshaft). Synchronization is for proper valve - piston timing in engine cycles.
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which engine component is attached directly to the pistons camshaft hea…
crankshaft
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19 multiple choice 1 point what is the advantage of port injection over…
port injection ensures intake valves are constantly cleaned
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17 multiple choice 1 point what is the compression ratio of an engine i…
11:1
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15 multiple choice 1 point what is the purpose of oil control rings? to…
15. To scrape oil off of cylinder walls and return it to to the crankcase 16. to heat the cylinder head to aid in cold start igniton
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13 multiple choice 1 point where is the fuel injected in a port injecte…
13. Into the intake manifold 14. reduced carbon deposits
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11 multiple choice 1 point what ignites the fuel and air mix in a gasol…
11. The spark plugs. 12. The fuel injectors.
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9 multiple choice 1 point how many camshafts would you find in a dohc v…
9. 4 10. 1
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damage to the cerebellum is likely to disrupt which of the following? t…
- First question: playing piano - Second question: antagonist
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7 multiple choice 1 point which engine component controls the opening a…
7. C. the camshaft(s) 8. Compression, Power
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5 multiple choice 1 point which oil has the lowest viscosity when the e…
5. 5W - 20 6. 2
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two technicians are discussing which oil to use for an oil change. tech…
Both technicians.
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plate tectonics is the theory that earths outer shell is divided into l…
1. True 2. True
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1. which oil has the highest viscosity when the engine is cold? 5w - 30…
10W - 30
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question 4 the auto mechanic from the previous question is going to loo…
A. \(\$1,692.00\)
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question 3 an auto mechanic working in philadelphia earns a salary of $…
A. \(\$1762.50\)
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what was one of the most significant contributions of wilder penfields …
- First question: Penfield showed that our inner mental experiences could be studied directly. - Second question: In order to be scientific, they both must be capable of being pro…
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question 2 an auto mechanic has a starting salary of about $29,000 and …
starting salary (\(\$29000\)): d. \(\$890.30\) median salary (\(\$47000\)): c. \(\$1442.90\)
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this test will cover all the material you have learned in the last two …
Vehicle is moving over 60 mph ### Question 2
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take quiz which of the following is a good strategy when searching for …
- **Question 1**: Using specific search terms - **Question 5**: True - **Question 6**: True
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(16 points) lillustration montre une vue de dessus dune grosse boule de…
Il faut \(1\) personne.
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the supreme court is responsible for interpreting the constitution. the…
The legislative branch makes laws through Congress. The executive branch enforces laws. The chief executive is the president. The judicial branch interprets laws. Judicial power i…
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the framers of the constitution separated the federal government into t…
- "the chief executive elected to lead the federal government and represent the country" matches "President". - "the person elected to assist the president and be ready to perform…
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the nucleus is positively charged. true false
True
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the nucleus is made up of protons and electrons. true false
False
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the plum pudding model was created by dalton. true false
False
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rutherford discovered the electron. true false
False
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the gold foil experiment led to the discovery of the nucleus. true false
True
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4. how is the flu transmitted from one person to another? it is transmi…
It is transmitted by the saliva droplets of coughs and sneezes and by saliva on objects.
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3. the spread of the flu was lessened by which medical breakthrough? va…
vaccines
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question 10 of 10 when docking your vessel and the wind is in your face…
A. Approach at a steep angle (30 - 45°) and swing the boat quickly
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in rutherfords atomic model, the atom is composed of a dense, positivel…
True
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if you encounter this green marker buoy when heading in the upstream di…
B. Keep the marker on your port (left) side
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thomsons atomic model featured a positive sphere of matter with negativ…
True
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3. the spread of the flu was lessened by which medical breakthrough? va…
vaccines
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question 7 of 10 what does this orange circle non - lateral marker indi…
C. Control - indicates information such as speed limits, wash restrictions, etc.
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what is the area between a red and green buoy? a the swim area b a shal…
D. The navigable channel
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2. in the 1918 flu pandemic, why did more teenagers and young adults di…
Their bodies were healthier causing an immune system overreaction called a cytokine storm.
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1. what term means the period of time when one person can spread the vi…
viral shedding
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4. what is used to treat bacterial infections? antibiotics antifungals …
antibiotics
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3. what is the term for disease - causing organisms or agents? bacteria…
pathogens
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what military advancement contributed most to the ottoman empires succe…
The use of large gunpowder cannons to destroy the city’s walls.
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question 3 of 10 as a general rule of thumb, the length of the rode (an…
B. 7 - 10 times
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question 2 of 10 what does this non-lateral marker indicate? a safe wat…
D. Diving Marker - indicates diving activity in the area
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2. red bone marrow only differs from yellow bone marrow because of a di…
the amount of fat
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using a multimeter with hold capabilities, you see that the startup cur…
\(4\)
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using a multimeter with hold capabilities, you see that the startup cur…
2
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which statement best distinguishes an observation from an inference? an…
An inference is likely to change based on additional observations.
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9. a 0.500 kg object is thrown vertically upward with an average applie…
a. The average net force is \(3.3\space N\) b. The velocity of the object when it leaves the student's hand is approximately \(4.45\space m/s\)
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read the descriptions of some types of authoritarian governments. then …
an absolute monarchy
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question 13 1 pts you will never stop learning new ways to solve proble…
changes
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8. an average net force of 16.0 n acts on a box for 3.33×10^{-3} min ca…
The mass of the object is approximately \(0.0152\ kg\)
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7. a 1.30 kg object is dropped from a height of 6.5 m. how far did the …
\(m = 0.0152\space kg\)
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7. a 1.30 kg object is dropped from a height of 6.5 m. how far did the …
The object has fallen approximately \(1.09\space m\)
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4. a student on the physics scooter is cruising along at 15.4 km/h when…
加速度約為\(-2.0\space m/s^{2}\) ### 問題4b：求停下來所需的時間
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which inference about colemans death is best supported by the passage b…
C. Coleman was likely not concerned enough about her safety.
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(16 points) lillustration montre une vue de dessus dune grosse boule de…
Il faut \( 5 \) personnes en A et \( 4 \) personnes en B.
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worcester v. georgia (1832) challenged which principle? (ushcc.2.cc, do…
The authority of state governments over tribal lands.
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what is the best definition of propaganda? political messages that refu…
biased or misleading information used to promote a cause or idea
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the trail of tears best illustrates which federal policy? (standard ush…
Forced removal and violation of Native rights.
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6. an average net force caused an 11.0 kg object to accelerate uniforml…
\(181\space kg\cdot m/s\) west
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what is the best definition of propaganda? political messages that refu…
biased or misleading information used to promote a cause or idea
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select the correct answer. an athlete is injured on the field. his team…
B. protect the athlete from further injury
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what sports - related risk is associated with thirst? a. bodily injury …
B. bodily dehydration
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select the correct answer. what type of injury would most likely result…
A. acute strain
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select the correct answer. carbohydrates give us energy. how does prote…
A. It helps build muscles.
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ercise 8.1: 1. assume that at sea level a parcel of air has a temperatu…
- At \(2000\ m\) on the windward side: \(20^{\circ}C\) - At \(3500\ m\) on the windward side: \(5^{\circ}C\) - At sea - level on the leeward side: \(40^{\circ}C\)
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4. an average net force of 15.0 n acts north on a person for 7.20 x10-1…
The change in momentum of the object is \(10.8\space kg\cdot m/s\) north.
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how does irving primarily achieve the gothic tone? through evoking an e…
Yes, Irving uses the method of evoking an emotional response to create suspense effectively. As shown in "The Adventure of the Mysterious Picture," the description of the narrator…
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it is altogether fitting and proper that we should do this. but in a la…
Lincoln is honoring the "living and dead" soldiers to an audience that is in mourning loved ones.
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o, henry married in 1887 and later settled in a small house at 409 east…
past, past, past
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the brave men, living and dead, who struggled here, have consecrated it…
pathos