物理
运动学、受力分析、电学与方程推导。
-
11 true or false 1 point you should replace any supplies you use from t…
True
-
10 true or false 1 point if a persons face isnt turning blue they arent…
False
-
can ergonomic hazards exist in all work environments? select the best o…
Yes
-
gravitational potential energy depends on the height of the object both…
both weight and height of the object
-
20. in 1934 physicist eugene wigner posited the existence of a crystal …
Researchers have obtained the most definitive evidence to date of the existence of the Wigner crystal.
-
which features help reduce the amount of runoff that occurs in an area?…
Increased vegetation
-
franklin delano roosevelt, january 3, 1934 now that we are definitely i…
Roosevelt acknowledges that major economic and social changes are needed in American society.
-
1. **which was a major result of the opium war (1839 - 1842)? a. great …
1. a. Great Britain forced China to open its ports for trade. 2. b. domination of China by foreign powers 3. c. unequal treaty 4. d. remove foreign influences from China
-
we live in a microbial world, and there are many opportunities for food…
The language is informative, implying that the purpose is to educate the reader about the causes of food contamination.
-
which process wears away tall sandstone rock formations due to wind? ab…
abrasion
-
1 which of the following are criteria used to decide what areas and spe…
A. species and their habitats, B. Cultural Importance, C. Climate change
-
which factor affects the amount of runoff that occurs in an area? land …
land use
-
which method best helps to prevent wind erosion? rotating crops decreas…
rotating crops
-
which word identifies the hanging icicle - shaped formations in caves t…
C. stalactites
-
which is one place that glaciers are found? in the ocean in the tropics…
at high latitudes
-
read the selection and answer the questions. excerpt from of plymouth p…
B. Effective leadership, demonstrated through fairness, patience, and cooperation, helped maintain unity and order during times of hardship.
-
which is one way that waves erode coastlines? back - and - forth moveme…
Back - and - forth movement loosens sediment and rock.
-
gravity, the force that pulls objects toward the center of earth, can s…
alluvial fan
-
how are deltas formed? erosion of softer rock connection of channels de…
deposition from flow into a lake or an ocean
-
which feature may form as a result of erosion related to runoff? deltas…
gullies
-
identifying wind erosion structures when wind slows down, it deposits s…
loess
-
16.read the sentences from the passage. \he plunged in among the big sp…
B. determination
-
a geologist is studying a sand dune. the sand dune was formed as wind d…
deflation
-
identifying features created by deposition a geologist finds this ridge…
moraine
-
choose the answer that best expresses the idea or makes the statement a…
B. the house might remind us
-
question 15 (1 point) 7.28 - what was prompted by garfields assassinati…
- Question 15: d. Pendleton Act of 1883 - Question 16: b. Sherman Anti - Trust Act
-
identifying causes of karst topography which conditions promote karst d…
good groundwater circulation, moderate to heavy rainfall, soft rocks near Earth's surface
-
identifying surface water deposition a geologist took this aerial photo…
alluvial fan
-
choose the best answer of questions on right. temperature the inside te…
1. $374\ ^{\circ}R$ 2. $207.8\ ^{\circ}C$
-
which features are formed by river erosion? check all that apply. gulli…
gullies, meanders, oxbow lakes, rills, waterfalls
-
which lifestyle choice is healthier than resorting to drug abuse? isola…
engage in regular exercise and meditation
-
what is the meaning of the foreign expression in bold? \some might thin…
on the contrary
-
vector components given vectors: f = 100 n and v = 100 m/sec, answer qu…
-50 m/sec
-
if the density of water is $62.4 lb/ft^{3}$ and the density of gold is …
19.36
-
earth the earth has a mass of 5.98x1024 kg and an average radius of 6.3…
B. 5526
-
earth the earth has a mass of 5.98x10²⁴ kg and an average radius of 6.3…
1.082×10²¹
-
question 40 2 pts inside a freely - falling elevator, you would have an…
gravitational force on you.
-
mechanical energy is defined as:* the energy required to move a 1 kg ob…
The sum of kinetic and gravitational potential energy
-
mechanical energy is defined as: * 1 point the energy required to move …
15 m/s
-
as more lamps are put into a series circuit, the overall current in the…
decreases.
-
a 5.0 kg object is moving forward with an applied force of 10.0 n right…
1. \(0J\) 2. \(kg\cdot m^{2}/s^{2}\)
-
an object with a total of 120000 j of gravitational potential energy on…
First Question: \(163\space kg\) Second Question: \(360\space J\)
-
question 30 the headlights, radio, and defroster fan in an automobile a…
parallel ### Question 31
-
lee needs to move a large box of packing material across his warehouse.…
Ask for assistance in case he trips.
-
there are three different types of slings. you can determine which type…
Environmental factors
-
the main causes of injuries when using forklifts include overturns, str…
Collisions with other forklifts
-
question 29 2 pts to make a profit a buyer purchases metal by weight at…
buy at a high altitude and sell at a low altitude.
-
as a worker, you can reduce common accidents which occur when using cra…
Ensure that critical parts of a crane are inspected daily.
-
what is the term for the angle at which light comes in before reflectin…
Angle of incidence
-
how does light from a diffuse reflection behave? it is a softer and les…
It is a softer and less predictable reflection.
-
question 26 2 pts the current through a 10 ohm resistor connected to a …
12 A
-
what is the rule stating that light, when bouncing off a smooth surface…
The Law of Reflection
-
ted needs to lift a heavy load. using what youve learned, which of the …
Lift with his back
-
when can you use damaged or defective slings? select the best option. n…
Never
-
when operating a crane, its important to check for overhead power lines…
Never lift people.
-
a. identify which apparatus pictured below shows a trapped gas sample w…
b. \(748.95\ mm\ Hg\) c. \(765.71\ mm\ Hg\)
-
question 20 2 pts in the summer, during what time period does the deman…
noon to 6:00 pm
-
c. given that atmospheric pressure is 760.2 mm hg, calculate the total …
\(835.2\ mm\ Hg\)
-
b. given that atmospheric pressure is 760.2 mm hg, calculate the total …
\(748.95\ mm\ Hg\)
-
question 14 we are best at hearing infra - sonic sound ultrasonice soun…
neither of these.
-
these are the two objective (measurable) qualities of sound intensity a…
frequency and intensity
-
the best designs apply form, function, and ergonomics. true false
True
-
the speed of sound depends on the elasticity and density of the _______…
medium
-
most of the objects in our daily life travel at ______ speeds. ultrason…
subsonic
-
look at these words. each word has a suffix. drag the words to the corr…
Words Missing the Suffix -ion: discuss, attract, convict, except. Words Missing the Suffix -al: biologic, mechanic, cyclic, historic.
-
these are the two subjective qualities of sound intensity and loudness …
pitch and loudness
-
which of the following statements is the reason why its possible to foc…
Sound reflects from the same angle from which it strikes a surface.
-
in general, an increase in will cause a sensation of increased loudness…
intensity
-
an increase in frequency will cause a sensation of: lower pitch lower l…
rising pitch
-
question 11 2 pts the range of human hearing is from about: 10 hertz to…
20 hertz to 20,000 hertz.
-
anything that imparts a to an medium is a source of
First blank: disturbance; Second blank: elastic; Third blank: sound.
-
ultrasound and infrasound are beyond the range of human hearing true fa…
True
-
materials absorb sound waves. smooth porous round curved
porous
-
mexico geography 1. what is the capital city of mexico? 2. which ocean …
1. Mexico City 2. The Pacific Ocean 3. The Yucatán Peninsula 4. The Rio Grande (Río Bravo del Norte) 5. The Chihuahuan Desert 6. The Sierra Madre Oriental 7. Chichen Itza 8. The S…
-
which idea about planets did both pythagoras and johannes kepler believ…
B. The planets move in harmony.
-
the planets do not actually make music. we know this is true because a …
A. sound cannot travel in space
-
question 4 (1 point) how was the government, as established by the arti…
Question 4: C. The colonists did not want to give up too much power to a central government. Question 5: D. Articles did not set up a very strong government, states got to keep th…
-
avalanches are very dangerous. an avalanche happens when a lot of snow …
A. can smell people under snow and can help rescue skiers.
-
how was the government, as established by the articles of confederation…
First question: B. The colonists did not want to give up too much power to a central government. Second question: B. Articles did not set up a very strong government, states got t…
-
1.- un metal fluido corre verticalmente de manera que una gota salpica …
\(v_{i} = 4m/s\)
-
l17 s4. ganges river __________ from the himalayas supplies the ganges …
C. Ice
-
l17 s4. ganges river the ganges river starts in the ____________. himal…
Himalaya Mountains
-
l17 s3 eastern and western ghats the eastern and western ghats (ghats) …
coasts
-
which physical feature can only be found in the western ghats but not t…
A.
-
l17 s2 deccan plateau what makes a plateau different form a mountain? p…
Plateaus have flat tops, unlike mountains.
-
question 3 l17 s1 brahmaputra river india is located on which continent…
A. Asia
-
question 2 l17 s1 brahmaputra river the land of india is a subcontinent…
large landmass that is smaller than a continent
-
do now #1: distance and displacement you exit the school using the foye…
Distance = $900$ meters Displacement $\approx640.3$ meters
-
surround the call to processnumbers with a try - catch statement. the c…
```javascript let numberElements = [1, 2, 5, 7]; // Code will be tested with different arrays. let processedValue = 0; try { processedValue = processNumbers(numberElements); } cat…
-
jump to level 1 surround the call to processnumbers with a try - catch …
```javascript let numberElements = [1, 2, 5, 7]; // Code will be tested with different arrays. let processedValue = 0; try { processedValue = processNumbers(numberElements); } cat…
-
question 29 which of the following is an example of multiculturalism? o…
a policy requiring students at a university in the United States to take classes on non - Western cultures
-
jump to level 1 surround the call to processnumbers with a try - catch …
```javascript let numberElements = [1, 2, 5, 7]; // Code will be tested with different arrays. let processedValue = 0; try { processedValue = processNumbers(numberElements); } cat…
-
yoko believes that religion is the basis for moral ethics and that prom…
structural functionalism
-
which theme is addressed in both \we wear the mask\ and \a man said to …
People are vulnerable to the forces around them.
-
how are cranes \a man said to the universe\ and dunbars \we wear the ma…
Crane’s poem examines the relationship between man and his environment; Dunbar’s poem examines the relationship between man and society.
-
which best describes a theme of \a man said to the universe\? individua…
The universe is indifferent to human concerns.
-
which best describes a theme of \a man said to the universe\? individua…
The universe is indifferent to human concerns.
-
analyzing text structure so lets start with flatness. characters in a f…
B. by beginning with a topic related to the central idea, C. by defining the topic discussed, D. by providing examples related to the topic
-
we smile, but, o great christ, our cries to thee from tortured souls ar…
- The speaker reveals that the world doesn’t listen to his pleas. - The final exclamation point adds emphasis to the repeated message. - The repetition of "We wear the mask" sugge…
-
as you read, interpret elements of dunbars poem, such as word choice, i…
The mask suggests that society forces African Americans to hide their pain.