物理
運動學、受力分析、電學與方程推導。
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statement: a diver dives off of a raft action force no answers chosen r…
ACTION FORCE: Diver pushes on the raft. REACTION FORCE: Raft pushes on the diver (causing the diver to move forward and into the water and the raft to move backwards).
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tures were able to be built faster and more advanced in the 19th centur…
A. steam - powered machinery
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2 fill in the blank 1 point holding a book against a wall choose your a…
Static friction
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which statement best describes the cart? the cart accelerated at a cons…
The cart accelerated at a constant rate of approximately \(0.8\,\text{m/s}^2\).
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a student graphed the position of a cart during a 7 - second time inter…
To solve this, we analyze the position - time graph: ### Step 1: Recall the meaning of a position - time graph In a position - time graph, the slope of the line represents the vel…
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in the first year alone, this arrangement provided for the establishmen…
It established dozens of schools that remained opened long term.
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weakened rock on steep slopes that suddenly gives away and falls down i…
B. The impact of gravity
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energy and energy transformations test where is ke transforming into pe…
4 (the position labeled 4, where the ball is moving upward from the lowest point, so kinetic energy is being transformed into potential energy)
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what is the main role of the westerlies? distributing even temperatures…
A. distributing even temperatures across continents
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the kinetic and potential energies of an object both always depend on w…
A. mass of the object
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washington, d.c. is _ of ottawa. south west north east
A. south
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what is the magnitude (size) of the missing force in the figure diagram…
\(10\space N\)
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unit exam: nonfiction analysis ii what is the best evidence to support …
A 2021 report stated that recycling prevented 69 million tons of waste from entering US landfills.
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rita climbs a ladder to the top of a water slide, waits her turn, and t…
B. kinetic – potential – kinetic (assuming the second option is labeled B, as per the order: kinetic (climbing) → potential (waiting) → kinetic (sliding))
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the great lakes are _ of the rocky mountains. north southeast northeast…
southeast
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this appliance dries clothes primary by converting heating duct and ele…
A. electrical energy to heat and mechanical energy
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on may 20, 1865, howard appointed brigadier general rufus saxton to ove…
He helped formerly enslaved people acquire land.
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what is the magnitude (size) of the missing force in the figure diagram…
\(10\)
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what is the best claim for this central idea? central idea: the impact …
The best claim is: Recycling reduces environmental pollution by diverting waste from landfills and incinerators.
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anita is bouncing a tennis ball on the sidewalk. she drops the ball and…
just as it reaches the top of the bounce
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what is the best evidence to support this claim? claim: \climate change…
A. "A 2020 WWF report found that climate change has reduced polar bear habitats by 30%."
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a man hits a golf ball (0.2 kg) which accelerates at a rate of 100,000 …
\(20000\space N\)
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read these lines from whitmans \o captain! my captain!\ but o heart! he…
We have come to dedicate a portion of that field as a final resting place for those who here gave their lives that this nation might live.
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what is the best claim for this central idea? central idea: the effects…
"Climate change threatens wildlife by altering habitats and food sources."
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a wrecking ball is swinging towards a building that needs to be knocked…
A. Use a wrecking ball with a bigger mass
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controlling a collision read from lesson 1 of the momentum and collisio…
(Problem 1): Tight end's velocity: \( 6 \, \text{m/s} \), Halfback's velocity: \( 12 \, \text{m/s} \) (assuming dot spacing ratio). Player with greatest momentum: Halfback, Moment…
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which statement best describes the motion of the toy vehicle during the…
D. The speed of the vehicle was increasing.
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two identical motorcycles are driving on the road. one is going 10 mile…
The one going 50 miles per hour.
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the wind pushes a paper cup along the sand at a beach. the cup has a ma…
\(0.125\)
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a student investigates the motion of a toy vehicle. the student graphs …
To determine the motion of the toy vehicle during the first 30 seconds, we analyze the distance - time graph: ### Step 1: Recall the meaning of the slope in a distance - time grap…
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5. a helicopter travelling at a velocity of 15 m/s w accelerates unifor…
The helicopter's final velocity is \(13\ m/s\) [E].
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which is an example of electrical energy being converted or changed int…
a light bulb
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14 multiple choice 1 point analyze the following statements and determi…
The object in the first statement (with \(F = 50\space N\) and \(a=10\space m/s^{2}\)) is more massive.
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which of the following is an example of potential energy? a glass jar s…
A. a glass jar sitting on a shelf
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el nino has a far - reaching effect on the climate around what ocean? ○…
C. Pacific Ocean
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14 multiple choice 1 point analyze the following statements and determi…
The object in the first statement (with \(m = 5kg\)) is more massive.
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calculating net force using the free - body diagram, calculate the net …
The net force acting on the sled is \( 0\ N \). The sled is in a state of dynamic equilibrium (assuming it is moving at a constant velocity) because the net force is zero.
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long, narrow coastal valleys that were originally carved out by glacier…
D. fjords
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find the acceleration of the 1kg block represented in the following fre…
\(4m/s^{2}\) (in the downward direction)
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the climate of canada can best be described as __. variable. it varies …
A. variable. It varies from temperate in the south to subarctic and arctic in the north.
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a roller - coaster is very similar to a pendulum in terms of kinetic an…
B
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is this statement true or false? central to geography is the belief tha…
false
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the three vehicles shown below are all traveling at a speed of 15 m/s, …
The pickup truck has a change in \(\boldsymbol{\text{velocity}}\) because the pickup truck is traveling on \(\boldsymbol{\text{a curved path}}\) (or "a curve"). (Note: The first b…
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which of the following graphs best represents what happens to the amoun…
A (assuming the option A corresponds to the graph that shows the correct KE - speed relationship as per the kinetic energy formula \( KE=\frac{1}{2}mv^{2} \))
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question 14 2 pts the gulf of tonkin resolution most directly reflected…
President Johnson’s desire to use military force to stop the spread of communism in Vietnam.
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is this statement true or false? desertification can be caused either b…
A. true
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select two or more answers, for the statements that do not describe the…
A. The duck will stop and then start moving again, B. The duck will continue moving in its current direction, D. The duck will stop moving
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is this statement true or false? fjords, glaciated valleys, and horns a…
A. true
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the diagram shows a duck swimming in a stream in the opposite direction…
The net force on the duck is \( \boldsymbol{5} \) newtons (in the forward direction).
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a roller coaster is very similar to a pendulum in terms of kinetic and …
A (the letter A in the diagram represents the place with the most potential energy because it is the highest point, and potential energy is highest at maximum height for a gravita…
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two identical airplanes are flying at an air show. both planes are at t…
The two air planes have the same gravitational potential energy but different kinetic energies.
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include supplies such as oil and natural gas. this is the common term f…
B. Nonrenewable resources
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momentum and collisions name: controlling a collision read from lesson …
### Question 1 (Velocity and Momentum of Football Players) #### Step 1: Analyze Ticker Tape Patterns for Velocity Ticker tape diagrams: The distance between dots represents displa…
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a horizontal force of 24 n is applied to a box on a level surface. the …
\(1.71\space kg\)
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5. the speaker in i sing the body electric describes the sacredness of …
A. He was suggesting that whites were not superior to African slaves.
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\the introduction of harmful substances or products into the environmen…
B. pollution
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how fast can you throw a tennis ball? the speed of the ball is determin…
Which ball had the fastest speed? Ball 1 Which ball moved at the same speed as Ball 3? Ball 4 Which ball had the slowest speed? Ball 2 Which ball was thrown with the greatest forc…
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which of the following graphs best represents the relationship between …
B. The graph with a straight line through the origin and a positive slope (representing the direct proportionality between kinetic energy and mass when velocity is constant)
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tropical climates are located between the tropic of cancer and the the …
D. Tropic of Capricorn
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drag and drop the following formulas and examples to classify them as p…
Acceleration: \(=\frac{\Delta V}{T}\), \(30 m/s^{2}\) Speed: \(=\frac{D}{T}\), \(30 m/s\) Velocity: \(=\frac{D}{T}\) in a specific direction, \(30 m/s\) north
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a ball is thrown upward from an initial height of 40 feet with an initi…
\(-4(4t + 5)(t - 2)\)
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how often should the exposure control plan be updated if there are no c…
Annually
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in the water cycle, water travels from bodies of water to the. then it …
C. air
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consider this line graph that represents speed in centimeters/second. t…
A.
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the hydrosphere is composed of all of the on or surrounding the earth. …
A. water
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5. which statement represents a recurring theme in both whitmans and di…
C. Ordinary life should be honored and celebrated.
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the ______________ is the crust, which covers the earth. ○ hydrosphere …
B. lithosphere
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in which of the following scenarios should a medical assistant use medi…
Washing hands prior to and after each patient encounter.
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4. how did the american civil war convince many americans to turn away …
A. It revealed the harsh realities of human existence.
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a ball is thrown upward from an initial height of 40 feet with an initi…
36
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what is the central idea from the excerpt of the article \what is the m…
The center of the moon is a small core that is made up of mainly two types of metals.
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an 8 kg block is accelerating at a rate of 12 m/s² while being acted on…
\(66\space N\)
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9 fill in the blank 1 point a 10 n force and a 40 n force are acting in…
\(4.29m/s^{2}\)
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youre watching a nascar car race. two racecars are ahead of the rest, s…
B. the mass of each racecar
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what is the central idea from the excerpt of the article \10 things: wh…
B. Both Earth and the moon share rocks from each other’s surface.
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complete the sentences to describe the difference between static and dy…
First blank: \( 0 \) (zero) Second blank: rest Third blank: motion (or constant - velocity motion)
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3 women push a stalled car. each woman pushes with a 425 n force. what …
\(1500\space kg\)
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two identical balls are rolling down a hill. ball 2 is rolling faster t…
Ball 2
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blank 1 point a 5 kg block is pulled across a table by a horizontal for…
\(6.4\space m/s^{2}\)
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according to cdc guidelines, when can sterilized packages be used? if t…
If the package has been stored in a cool, dry area and does not show watermarks
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which of the following items should a medical assistant dispose of in a…
Gauze contaminated with blood
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how long should unwrapped items be sterilized in an autoclave? 10 min 1…
10 min
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read the excerpt from \gate a - 4\ by naomi shihab nye. we called her s…
plot, as the speaker catalogues the different ways she interacts with the woman
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a divergent boundary is different than a convergent boundary in that pl…
D. plates spread apart in a divergent boundary and collide in a convergent boundary.
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which of the following is an example of kinetic energy? ○ a baseball mo…
a. a baseball moving from the pitcher to the catcher
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what is the acceleration of a 6.4 kg bowling ball if a force of 12 n is…
\(1.875\space m/s^{2}\)
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when is the summer soltice? june 20th or 21st september 21st or 22nd ma…
A. June 20th or 21st
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gloves should be worn during which of the following medical office task…
Handling anything contaminated with blood.
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a coconut is falling from a palm tree. when does the coconut have the m…
A. position 1
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what is the mass of an object that needs a force of 4,500 n to accelera…
\(900\space kg\)
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name: period: date: \unbroken\ vocabulary pt. 2 ch. 6 - 11 vocabulary p…
To solve this, we'll create sentences for each vocabulary word with the WWII theme: ### 1. wavering (adjective) **Sentence**: During WWII, the soldier’s resolve was wavering as he…
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question 3: what happens to the skater when you add more and less frict…
- When more friction is added: The skater slows down more rapidly, has a shorter glide distance, and loses kinetic energy faster due to greater opposing force from friction. - Whe…
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the earths place in space can be described as __________.an elliptical …
B. third planet from the sun in the Milky Way Galaxy
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what is the force on a 1,000 kg elevator that is falling freely under t…
\(9800\space N\)
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why is the use of pathos more appropriate in whitmans poem than in pres…
Whitman's poem is the emotional reaction to the death of Lincoln.
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question 5 of 5 if a movie, song, or book is offered for free, is it ma…
D. Sometimes
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for questions 16 - 20, refer to the following passage: during the debat…
C. Appeal to emotions
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for questions 16 - 20, refer to the following passage: during the debat…
C. Using reason and logic to persuade
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how much force is needed to accelerate a 68 kg skier at a rate of 1.2 m…
\(81.6\space N\)
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question 3 of 5 what might be a phishing message? a. an email with a li…
A. An email with a link to re - set your password