物理
運動學、受力分析、電學與方程推導。
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question 4 (1.666666666/ points) how much heat is required to heat 50.0…
4.0 °C
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how much heat is required to heat 50.0 g of gold from 25.0 to 29.0 °c i…
$(1\ g^{\circ}C/0.0305\ cal)(1/50.0\ g)$, $(0.0305\ cal/1\ g^{\circ}C)(50.0\ g)$
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how much heat is required to heat 50.0 g of gold from 25.0 to 29.0 °c i…
1 g °C (0.0305 cal), 0.0305 cal (1 g °C)
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how much heat is required to heat 50.0 g of gold from 25.0 to 29.0 °c i…
cal
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1. did you warm up and cool down for your last workout? a. yes b. no
It depends on the individual's actual situation. If they warmed up and cooled down for their last workout, the answer is a. yes; if not, the answer is b. no.
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identifying the central idea armed with invisible ink, a cipher system,…
Van Lew was a spymaster, a leading force in the espionage activities for the Union.
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complete the following subtraction using significant figures. 5.55555×1…
$6\times 10^{2}\ \mu g$
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complete the following subtraction using significant figures. 5.55555 x…
D. $0.00555\times 10^{5}\ \mu g$
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complete the following subtraction using significant figures. 5.55555×1…
D. $\pm1\times 10^{3}\ \mu g$, C. $\pm0.01\times 10^{5}\ \mu g$
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which aspect of setting deals with historical periods and specific mome…
1. b. Time 2. c. Atmosphere 3. b. Historical context 4. b. Geographic location 5. c. Creates vivid imagery 6. a. Creates vivid imagery
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question 3 (1.666666667 points) complete the following subtraction usin…
C. \(\pm0.01\times 10^{5}\ \mu g\), D. \(\pm1\times 10^{3}\ \mu g\)
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complete the following subtraction using significant figures. 5.55555 x…
$5.55\times10^{2}\ \mu g$ A. significant figures
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it required 500. cal to heat a sample of gold from 25.0 to 35.0 °c. wha…
1. First correct answer: $\frac{1\text{ g}^{\circ}C}{0.0305\text{ cal}}\times500\text{ cal}\times\frac{1}{10.0^{\circ}C}=1.64\times 10^{3}\text{ g}$ 2. Second correct answer: None…
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it required 500. cal to heat a sample of gold from 25.0 to 35.0 °c. wha…
The two correct answers are: 1. $\frac{1\ g^{\circ}\text{C}}{0.0305\ cal}\times\frac{500\ cal}{1}\times\frac{1}{10.0^{\circ}\text{C}}$ 2. $\frac{1}{0.0305\ cal/1\ g^{\circ}\text{C…
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it required 500. cal to heat a sample of gold from 25.0 to 35.0 °c. wha…
10.0 °C
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it required 500. cal to heat a sample of gold from 25.0 to 35.0 °c. wha…
g
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8. what is the purpose of item clues? a. to support the authors argumen…
1. a. To present an argument 2. d. Evaluating arguments 3. b. Critical thinking 4. b. To strengthen arguments 5. a. Show, Don't Tell 6. b. To state the main idea
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8. what is the purpose of context clues? a. to explain the authors argu…
- 8. c. To define unfamiliar words - 9. d. Evaluating arguments - 10. b. Critical thinking - 11. b. To strengthen arguments
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complete the following addition using significant figures. 5.55555 x 10…
B. $1.11\times 10^{6}\ \mu g$
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complete the following addition using significant figures. 5.55555 x 10…
$11.10555\times10^{5}\ \mu g$
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complete the following addition using significant figures. 5.55555×10^5…
C. \(\pm0.01\times 10^{5}\ \mu g\) D. \(\pm1\times 10^{3}\ \mu g\)
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complete the following addition using significant figures. 5.55555×10^5…
1. A. $+/- 0.00001\times 10^{5}\ \mu g$ 2. C. $+/- 0.01\times 10^{5}\ \mu g$
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complete the following addition using significant figures. 5.55555×10^5…
$1.11\times 10^{6}\ \mu g$ A. significant figures
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use significant figures to solve the following division problem. (6.666…
$3.3333\times10^{2}ks^{2}$, B. $ks^{2}$
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use significant figures to solve the following division problem. (6.666…
5
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use significant figures to solve the following division problem. (6.666…
C. 5
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round off the answer using significant figures (2.2222 x 10^3 mm)(2.00 …
$4.44\times10^{6}\text{ mm}^2$
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round off the answer using significant figures (2.2222 x 10^3 mm)(2.00 …
mm$^{2}$
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question 3 (2 points) round off the answer using significant figures (2…
B. 3
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question 2 (2 points) round off the answer using significant figures (2…
B. 3
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question 6 points 1 the sea level is expected to rise about __________ …
A. 1 to 4
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what is the expected trend regarding the frequency of droughts and heat…
B. Droughts and heat waves are expected to become more frequent and severe
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question 1 (2 points) round off the answer using significant figures (2…
D. 5
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question 4 points 1 by 2075, the sea level is projected to rise about _…
A. 1 to 3
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question 8 points 1 wmo stands for ______. world meteorological organiz…
A. World Meteorological Organization
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question 9 points 2 which of the following is the result of rising seaw…
Destruction of human settlement
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question 10 points 2 which of the following is a direct impact of the m…
Flooding of low - lying areas
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question 3 points 2 which of these is not an expected future effect of …
C. Stabilizing weather patterns
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question 2 points 3 which of the following statements is/are incorrect?…
Only I
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convert 454 in³ into cm³ and into ml. (2.54 cm = 1 in). calculate the f…
The correct option is: $16.387\ cm^3$, $(454\ in^3)(\frac{16.387\ cm^3}{1\ in^3}) = 7.44\times 10^{3}\ cm^3$
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convert 454 in³ into cm³ and into ml. (2.54 cm = 1 in). calculate the r…
$454\ in^3$ is $7449.698\ cm^3$ and $7449.698\ mL$
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fill in the blank question smoking is hard to combat because it offers …
reward
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convert 454 in³ into cm³ and into ml. (2.54 cm = 1 in). put in the unit…
The conversion factor is $(2.54)^3\frac{\mathrm{cm}^3}{\mathrm{in}^3}$, and $454\mathrm{in}^3 = 7449.727056\mathrm{cm}^3=7449.727056\mathrm{mL}$
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convert 454 in³ into cm³ and into ml. (2.54 cm = 1 in). what do you wri…
A. $(454\text{ in}^3)$
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multiple choice question dan and molly are camping in the woods and app…
A. positive reinforcement; positive punishment
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multiple choice question the effectiveness of reinforcement is most eff…
within a few seconds.
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the union forces taking ____________ would help push public opinion in …
C. Atlanta
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fill in the blank question smoking is hard to combat because it offers …
Positive; negative consequences
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multiple choice question lucia is starting to struggle in her general p…
O delayed punishment.
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multiple choice question ananya returned home 1 hour after curfew. anan…
B. positive punishment
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convert 2.22 x 10^(-5) mm into mm. (m = 10^(-3) and m = 10^6). place nu…
The correct conversion factors are: 1. $\frac{1\ m}{10^{3}\ mm}$ (corresponding to the second - option where the numerator is $1\ m$ and the denominator is $10^{3}\ mm$) 2. $\frac…
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question 1 (2 points) convert 2.22 x 10^(-5) mm into mm. (m = 10^(-3) a…
$2.22\times 10^{-14}\ Mm$
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convert 333 mm into m. (m = 10^{-3}) do the math to get the final answe…
$333\times10^{-3}\ m$, $3.33\times10^{-1}\ m$
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convert 333 mm into m. (m = 10^{-3}) do the math to get the final answe…
$333\times10^{-3}\ m$, $3.33\times10^{-1}\ m$
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question 1 (2 points) convert 333 mm into m. (m = 10^{-3}) what number …
A. 333
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read the excerpt from the most dangerous game by richard connell. \and …
B. The general will force Rainsford to participate in the hunt. D. Rainsford will attempt to escape from the island.
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what was stieglitz trying to express in his equivalents or cloud format…
His clouds became an abstract metaphoric equal to his emotion and psychological states.
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examine the eeg readout below and answer the questions that follow. ima…
A. doing some light reading on a Saturday afternoon
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an electroencephalograph is used by psychologists to a. allow paraplegi…
D. measure the electrical output of the brain
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16. what are the two types of interference? which results in a larger w…
En los puntos "C" hay interferencia constructiva y en los puntos "D" hay interferencia destructiva.
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(b) the femur, or thigh bone, is related to height by a different linea…
$54.7$
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(a) the researchers can estimate the height of the person from the leng…
$191.2$
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1. which of the following statements about mobility is true? the risk f…
1. Provide assistance with walking several times a day 2. Scold the person for playing with their food 3. So you can provide the appropriate support
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which body systems work together to maintain homeostasis during tempera…
Circulatory system distributes heat Nervous system regulates temperature Muscular system produces heat
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consider the stage directions in the first \alone time\ scene with abig…
Without specific stage - directions provided in the chart (other than the example), a full answer cannot be given. But in general, stage directions can reveal characters' emotions…
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on a graph, where should the dependent variable (d.v.) and independent …
d.v. goes on the y-axis and the i.v. goes on the x-axis.
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look again at paragraphs 1 - 4 of the excerpt. which statement accurate…
B. The narrator becomes anxiously alert, and he thinks his friends plan to trick him.
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which term describes environmental changes that trigger a body response…
A. Stimuli
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which organ system includes the heart as its main pumping organ? (1 poi…
D. Circulatory System
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all organ systems in the human body work independently without affectin…
B. False
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which of the following is a national power only? multiple choice law en…
law enforcement
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temp (°f) 79 79 73 68 62 57 58 58 62 67 73 77 precipitation (in.) 3.4 3…
1. Factors: Ocean - currents, elevation, winds, proximity to water. 2. Proximity to water: Data 2 (assuming more moderate temps). 3. Southern hemisphere: Data 2 (assuming opposite…
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which landform is identified with the yellow marks at located at number…
A. Gobi Desert
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what body of water is located at number 5 on the map? (1 point) atlanti…
Sea of Japan
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elevation refers to the height of the land above sea level. generally s…
1. Denver 2. Temperature decreases with elevation. Lower elevations are warm for tropical grassland, higher elevations on the mountain are cold for ice.
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3rd law checking for understanding describe the reaction forces in the …
- For bike - ground: Reaction is ground pushes up on the bike. - For fish - water: Reaction is water pushes fish forward. - For tennis - ball: Draw the ball bouncing back up.
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do now: answer the question below latitude (distance from the equator) …
The tilt of the Earth's axis and its orbit around the sun are the main reasons. Near - equator places have more consistent temperatures due to relatively constant sunlight, while …
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the diameter of the sun is approximately 1.39×10^6 kilometers, while th…
B. 40
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5. how does a particle in a surface wave move? (draw it)
Las partículas en una onda de superficie se mueven en una trayectoria elíptica. (Debes dibujar una trayectoria elíptica para representar el movimiento de la partícula).
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seasons: which city is a southern hemisphere city?
Sydney (Note: There are many Southern - hemisphere cities, this is just an example)
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the diameter of the sun is approximately 1.4×10^6 km. the diameter of t…
400
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now it’s time to practice on your own the average distance from earth t…
A. 392
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a light - year is the distance light travels in one year, about 5.9 × 1…
C. $1.5\times 10^{17}$
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multiple - choice question what happens when epinephrine is released? h…
heart rate increase, cut off blood supply to the digestive system, send blood to lungs and muscles.
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sea level at the battery in new york is rising by about 2.84×10⁻³ m/yea…
$5.68\times 10^{-2}$ m
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multiple - choice question what is a hormone that your adrenal glands m…
C. Epinephrine (adrenaline)
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which data set is moline, illinois (41 n, 90 w)? data 1/data 2 which da…
Moline, Illinois: Data 1 Buenos Aires, Argentina: Data 3
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a newborn elephant typically stands 9 × 10⁻⁴ kilometers tall. which two…
C. centimeters, D. meters
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the graph shows the distribution of energy emitted by a star. which is …
It has a higher temperature than the Sun because its peak wavelength is shorter than the Sun's.
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(b) find the time, in seconds, that it took for the signal to travel fr…
Without the distance value, we cannot provide a specific numerical answer. If the distance $d$ (in meters) is known, use $t = \frac{d}{299792458}$ and round to the nearest second.
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read the passage from animal farm. within a few weeks snowballs plans f…
to illustrate the power struggle that Napoleon will likely win
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4. draw a spring in equilibrium (rest).
Dibujar un resorte con vueltas uniformes y sin deformación aparente.
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when the curiosity mars rover landed on mars in august 2012, it sent a …
Distance between Mars and Earth: $2.48\times 10^{8}$ km Speed of light: $2.99\times 10^{5}$ km/s Time taken for the message to travel to Earth: approximately 13.83 minutes.
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multiple choice question in 2015, the texas legislature passed legislat…
C. "open carry" firearms
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select all that apply which of the following adaptations of spanish law…
B. protection of a person's homestead from forced sale to pay debts
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the volume of the planet saturn is about 827,130,000,000,000 km³. the v…
Volume of Saturn: $8.2713\times 10^{11}$ Volume of Earth: $1.08321\times 10^{11}$ The volume of Saturn is approximately 7.64 times greater than the volume of Earth.
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3. draw a longitudinal wave in a spring and label all three parts.
Debes dibujar un resorte con regiones de compresión y rarefacción y marcar la dirección del movimiento de la onda. Además, debes etiquetar claramente las regiones de compresión, r…
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the graph shows the distribution of energy emitted by a star. which is …
It has a lower temperature than the Sun because its peak wavelength is longer than the Sun's.
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what are the layers of the sun, starting from the surface and moving in…
C. photosphere, convective zone, radiative zone, core
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which description best models the energy transfer that occurs in the ra…
A. A ball is thrown by a player to a fan in the stands.