物理
運動學、受力分析、電學與方程推導。
-
write two or more questions that you still have about centripetal force…
1. How does the centripetal - force required for an object moving in a vertical circular path vary at different points of the circle? 2. How does the mass of an object affect the …
-
after reading now that you have read the article, indicate whether you …
Agree
-
1. name the seven colours of a spectrum. 2. what is the sequential arra…
1. Red, orange, yellow, green, blue, indigo, violet. 2. Dispersion of light. 3. Dispersion occurs when white light passes through a prism or in the atmosphere during rain, splitti…
-
test your learning outcome 1. what is a lens? name two types of lenses.…
1. A lens is a transparent refracting medium bounded by two - spherical surfaces or one spherical and one plane surface. Two types: convex and concave lenses. 2. (a) Convex lens: …
-
comparing and synthesizing informational texts check english man, presi…
The first excerpt is less emotional than the second excerpt.
-
test your learning outcome 1. what is a luminous body? 2. name one natu…
1. An object that emits its own light. 2. The Sun. 3. No. 4. It reflects the light of the Sun. 5. Light travels in straight - line paths in a homogeneous medium. 6. Because light …
-
factor the following logic expression: ef + def (e f + d) (e f + e) (e …
E (F + D F')
-
read the passage. then answer the question. using emojis emojis can be …
B. The claim is strong because it is followed by evidence.
-
read the passage. then answer the question. which sentence provides evi…
Research has shown that emojis such as smiley faces in formal writing are not viewed as friendly; instead, people tend to view the sender as being less capable at communicating.
-
which of the following is in the form pos? a b (c + d e) a b + c d (b +…
C. \((B + C)(D E + A)\)
-
read the passage. then answer the question. using emojis emojis can be …
C. Emojis should not be used in formal writing.
-
feedback among logic gates make asynchronous system stable combinationa…
unstable
-
https://student - mp.imaginelearning.com/launch evaluate argument and c…
Emojis can be helpful at times because they can add emotional hints that are often lost in written communication.
-
feedback among logic gates make asynchronous system stable combinationa…
unstable
-
in a 6 - bit johnson counter sequence there are a total of how many sta…
12
-
6. an alpha particle is not a neutral atom. it has a charge of +2. why …
An alpha - particle has 2 protons and 2 neutrons. Since protons have a charge of + 1 each and neutrons are neutral, the charge of an alpha - particle is + 2.
-
q 24. during cyclones, moving air gain speed above the roof of a house …
Q24. A. decreased pressure on the roof Q25. A. capillary action
-
q22. due to capillary action, a liquid will rise in a tube, if the angl…
Q22. B. acute Q23. A. Poiseuille’s Law
-
q17. which is not the assumption for an ideal fluid a. non - viscous b.…
Q17. C. compressible Q18. B. decreases Q19. D. intermolecular forces
-
q20. when adhesive force is greater than cohesive force in liquid of a …
Q20. B. concave meniscus Q21. A. less than 90 degrees
-
by what factor would a persons weight at the surface of earth change if…
A person would weight only one - third as much The gravitational force becomes one - fourth as strong
-
the force that causes the moon to orbit the earth is called ___. questi…
$9574\ N$
-
why does the rebounding collision result in a greater impulse? changing…
Changing directions involves a greater velocity change than simply stopping.
-
why does the rebounding collision result in a greater impulse? changing…
Changing directions involves a greater velocity change than simply stopping.
-
momentum change of an object is always calculated as final momentum - i…
1 s
-
momentum change of an object is always calculated as final momentum - i…
$1.0\ s$
-
how much force would have to be applied to the football player to stop …
- 200 N
-
multiple - choice question to apply a negative impulse to the ball carr…
apply a force in the opposite direction the ball carrier is running.
-
multiple - choice question why is the impulse negative? impulse and mom…
Impulse and momentum are both vectors. In this case, the direction of the impulse is opposite to the direction of the momentum.
-
according to the equation, impulse is equal to ... the change in an obj…
the change in an object's momentum.
-
the impulse - momentum change theorem is a direct result of ... newtons…
B. Newton's 2nd Law of Motion
-
which of the following most likely requires intermolecular forces? a sp…
a spider walking on the bottom of a leaf
-
which will result in the greatest impulse applied to an object? a small…
A large force applied for a long time.
-
multiple - choice question in physics impulse is... something you do wi…
C. the force acting on an object multiplied by the time it is applied.
-
question 13 1 pts what type of cable is this? coax twisted pair fiber t…
C. fiber
-
question 8 1 pts we need to connect a pc to a legacy switch to transmit…
A. Crossover
-
question 7 1 pts which statement accurately describes alien crosstalk? …
Cross - talk that occurs between two cables.
-
match the fiber with its features: mmf choose smf choose larger core, u…
MMF - larger core, used to connect routers, switches, and servers on the backbone SMF - smaller core, used for longest distances
-
question 4 4 pts create the correct pin connections for a fast ethernet…
Pin 1 connects to: pin 3 Pin 2 connects to: pin 6 Pin 3 connects to: pin 1 Pin 4 connects to: pin 4 Pin 5 connects to: pin 5 Pin 6 connects to: pin 2 Pin 7 connects to: pin 7 Pin …
-
question 3 4 pts create the correct pin connections for a straight - th…
Pin 1 connects to: pin 1 Pin 2 connects to: pin 2 Pin 3 connects to: pin 3 Pin 4 connects to: pin 4 Pin 5 connects to: pin 5 Pin 6 connects to: pin 6 Pin 7 connects to: pin 7 Pin …
-
question 2 5 pts match the abbreviation with the bandwidth 1 bit per se…
1 bit per second: 1 bps 1000 bits per second: 1 Kbps 1000000 bits per second: 1 Mbps 1000000000 bits per second: 1 Gbps 1000000000000 bits per second: 1 Tbps
-
question 1 3 pts match the term with its definition. bandwidth choose t…
Bandwidth: The amount of data that could theoretically be transmitted during a given period of time. Throughput: The measure of how much data is actually transmitted during a give…
-
which statement best describes the collisions of gas particles accordin…
As particles travel in straight lines, their paths sometimes meet, and then they bounce apart with no gain or loss of energy.
-
item 13 (6 points) in the table below, fill in the subnet address and t…
| Subnet | Host | Broadcast | | ---- | ---- | ---- | | 192.168.5.0 | 192.168.5.38 | 192.168.5.255 | | 198.1.4.0 | 198.1.4.200 | 198.1.4.255 | | 199.2.4.0 | 199.2.4.156 | 199.2.4.2…
-
considering the temperature vs. time graph below, how does the temperat…
The temperature is always the same.
-
which change of state involves a release of energy? boiling condensatio…
condensation
-
what is one of the weaknesses of being an everyday actor when it comes …
making assumptions and failing to investigate or verify those assumptions
-
which device involves the use of plasma in technology? arc welder diese…
arc welder
-
a substance is tested in a lab. it is found to maintain a unique shape …
D. solid
-
the particles of a gas inside a balloon are experiencing an increase in…
higher gas pressure inside the balloon
-
according to the kinetic - molecular theory, the average kinetic energy…
C. temperature
-
item 12 (12 points) in the table below, fill in the network portion, fi…
| Subnet | Network Portion (3 octets only) | First available host (last octet only) | Last available host (last octet only) | Broadcast (last octet only) | | ---- | ---- | ---- | …
-
bromine gas in a container is heated over a flame. what happens to the …
It increases quickly.
-
which is an aspect of the kinetic - molecular theory and can be used to…
Particles exchange energy through elastic collisions.
-
question 12 4 pts item 10 (4 points) we can see from the snip below tha…
Single - Mode Fiber (SMF): Carries one signal on one light wave Multimode Fiber (MMF): Carries many pulses of light
-
which best compares the particles of the substance when it is in region…
The particles are more orderly in region 1.
-
question 22 the theory of positivism states that an individuals sense o…
to identify laws, such as those in mathematics and physics, that describe the behavior of a particular reality
-
the diagram below shows the different phase transitions that occur in m…
4
-
question 1 5 1. of the circuits listed below, the one that is most like…
1. 3) digital - to - analog converter 2. 3) 3 3. 4) all of the above 4. 3) positive - going edge 5. 3) Demultiplexer
-
item 5 (10 points) match the twisted pair cabling standard with the max…
- Cat 5 (Category 5): 100 Mbps (Fast Ethernet) - Cat 5e (Enhanced Category 5): 100 Mbps (Fast Ethernet) - Cat 6 (Category 6): 1 Gbps or, at shorter distances, 10 Gbps - Cat 6a (Au…
-
item 4 (4 points) the most common type of networking cable is a straigh…
B. Patch
-
question 3 9 pts item 3 (9 points) the methods of communication can be …
Full - duplex: Send and receive at the same time Half - duplex: Send or receive but not at the same time Simplex: Send or receive only
-
item 2 (6 points) there are multiple causes for poor wired communicatio…
Alien crosstalk: Crosstalk that occurs between two cables Attenuation: Loss of signal strength over distance Latency: Delay that takes place between source and destination
-
according to émile durkheim, what was the basis for the bonds created t…
shared traditions and similar experiences
-
is this a complete sentence? electric eels stun prey with an intense el…
Yes
-
is this a sentence fragment? in 1954, a meteorite hit ann hodges inside…
No
-
is this a complete sentence? nora always enchants audiences with the ra…
yes
-
which of the following is a latent function of the u.s. educational sys…
keeping children out of trouble while parents are at work
-
virginias blue ridge mountains were once among the tallest in the world…
B. erosion
-
now, it being christmas when the ship shot from out her harbor, for a s…
Which detail sets the scene? "biting Polar weather" What is the overall mood of the passage? gloomy and troubled Which theme does this passage advance? Nature is destructive and m…
-
what is the functionality of cortex a? a) hearing; seeing b) emotion re…
C. movement; judgment making
-
question 10 if a bill has enough votes to pass, but one senator doesnt …
- Question 10: refuse to stop debating the bill, which makes it impossible to vote - Question 11: at least 2/3 of the Senate and the House have to vote to override the veto - Ques…
-
a patient should be warned about taking which vitamin when prescribed w…
Vitamin K
-
3. what emotion seems to control sergei’s actions the most – fear, love…
Without the story, it's impossible to determine which emotion (fear, love, loneliness, or anger) controls Sergei's actions the most and provide a direct quote or paraphrase.
-
which standards must be followed during extemporaneous compounding? dru…
Good Manufacturing Practices (GMP)
-
198 - 199, 216 - 217 6.3, what accounts for the spread of chinese cultu…
False
-
a patient is taking carbamazepine for seizures. which of the following …
1. Grapefruit juice 2. Class I
-
question 10 (mandatory) (1 point) what time period is considered to be …
8-12 weeks
-
question 9 (mandatory) (1 point) what is the percentage of hamstring te…
B. 14-63%
-
question 2 1 pts the parasympathetic nervous system stimulates your gas…
True
-
question 8 (mandatory) (1 point) a bone bruise of the lateral compartme…
False
-
question 7 (mandatory) (1 point) listen which tendon(s) are located in …
C. Extensor digiti minimi
-
read the passage from sugar changed the world. in the age of sugar, eur…
to mark important events in the history of sugar to reveal that the reason for sugar's low price was slavery
-
question 6 (mandatory) (1 point) us is considered a reliable and sensti…
True
-
question 5 (mandatory) (1 point) rockwood type injuries are characteriz…
True
-
question 4 (mandatory) (1 point) listen type 4-6 acromioclavicular join…
False
-
question 3 (mandatory) (1 point) listen which type of shoulder impingem…
posterosuperior
-
question 2 (mandatory) (1 point) what is the normal measurement of the …
A. 6 - 10 mm
-
what is the most commonly injured rotator cuff tendon? supraspinatus in…
A. Supraspinatus
-
multiple choice question it band friction syndrome is common in runners…
A. True
-
multiple choice question what is the most common knee ligament injured …
A. anterior cruciate ligament
-
what is the classification system for tfcc tears? please select your an…
C. Palmer
-
challenge question although smaller, mars has a warmer temperatures tha…
C. twice as many moons as Earth
-
according to the passage, mars cannot maintain life because it does not…
B. I and II only
-
challenge question. according to the passage, both earth and mars. i. a…
B. I and II only
-
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.
-
after any hormone such as insulin or glucagon is secreted by its gland,…
In the bloodstream.
-
what causes the secretion of glucagon by pancreas? normal blood glucose…
Low blood glucose concentration.
-
1 draw or explain how the model illustrates the law of conservation of …
The individual parts' masses combine to equal the mass of the assembled airplane, demonstrating the law of conservation of mass as the total mass is conserved during the assembly …
-
multiple - choice question which process is caused by insulin? conversi…
Conversion of glucose to glycogen.