物理
運動學、受力分析、電學與方程推導。
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select the correct answer. an empty car on a steep street rolls downhil…
The forces exerted by the car and the wall were equal.
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dharma opens one window, does a little work, closes the window, and the…
C. Click the Minimize button to reduce the window to an icon on the taskbar, and then click the taskbar icon to redisplay the window.
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5. now lets make period measurements for different orbits of the solar …
| Planet | Period, T (years) | Semi - major axis, a (AU) | T/a (AU/years) | |---|---|---|---| | Mercury | 0.241 | 0.387 | 0.623 | | Earth | 1 | 1 | 1 | | Mars | 1.88 | 1.524 | 1.2…
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to overcome an objects inertia, it must be acted upon by ____________. …
C. force
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compressing a file is also called ______ the file. a. passing b. extrac…
C. zipping
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which two subatomic particles are found in the nucleus of an atom? prot…
Protons and neutrons
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read the sentence. in her history class, jodie learned that during worl…
intercepting
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question select all the correct answers. a moving ball hits a stationar…
B. The stationary ball exerts a force on the moving ball., C. The moving ball exerts a force on the stationary ball.
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charley likes to have everything organized and she is bothered by the l…
C. Show her how to use File Manager.
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current attempt in progress a doctor informs you that you have a tumor …
D. olfaction
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test information description instructions from the list of choices, sel…
2900 N
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3. a cat chases a mouse across a 2.5 m - high platform. the mouse steps…
$3.08\ m/s$
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an operating system is also called a(n) ______. a. platform b. utility …
A. platform
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6. a potato cannon launches a 0.2 kg potato 30 meters into the sky. wha…
$58.8\ J$
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a(n) ____ protects your device against unauthorized access. a virtual m…
B. user account
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question select all the correct answers a moving ball hits a stationary…
B. The stationary ball exerts a force on the moving ball, C. The moving ball exerts a force on the stationary ball.
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current attempt in progress a doctor informs you that you have a tumor …
D. olfaction
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which of the following is not a benefit of cardiorespiratory fitness? a…
C
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some women opposed the equal rights amendment because they said it did …
D. they thought it undermined traditional values.
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which of the following statements about joints is true? a. fixed joints…
D. They occur where two or more bones join.
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determine if the statement or example relates to solids, liquids, or ga…
particles are far apart with a lot of movement: gases particles are loosely packed with some movement: liquids definite volume but takes the shape of its container: liquids no def…
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free body diagram 1 numeric 1 point what is the magnitude (size) of the…
66.0
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read the sentence. the mechanics instructions were so convoluted that h…
clarify
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current attempt in progress matthew has noticed that some sounds sudden…
cochlea
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match the description of kinetic energy with the state of matter that w…
low kinetic energy with compacted particles vibrating in place - a. solids kinetic energy allows particles to slide and move past each other but does not entirely overpower the at…
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question 12 a net force of 25 n is applied for 5.7 s to a 12 - kg box i…
12 m/s
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why do exercise needs vary between individuals?
Individuals have different fitness levels, body - types, health conditions, and goals which cause exercise needs to vary.
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a woman who entered the workforce in the 1960s could expect to - gain r…
C. work for male supervisors and managers.
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cara and sam had to illustrate one newtons laws. they drew this model t…
B. second
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which of the following is not a factor in efficiency? a. metabolism b. …
D. digestion
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select the correct answer from each drop - down menu. which organs of t…
In the male reproductive system, the prostate glands secrete(s) a fluid that neutralizes acidic conditions in the vagina. In the female reproductive system, the bartholin glands s…
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which of the following is a characteristic property of gases? a they ha…
C. They take the volume and shape of their container
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2 how does the taste of a graham cracker change after it breaks from on…
The taste does not change.
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which of the following statements best explains why the same exercise p…
A. Different individuals have different levels of physical fitness.
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which of the following is a property of liquids? a they take the shape …
A. They take the shape of their container.
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in general, fitness evaluations are meant to help you measure your phys…
T
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how does this photograph illustrate newtons third law of motion? a the …
B. The more force the swimmer applies back on the wall, the faster his movement forward in the water.
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1) drag and drop the words with the descriptions. made with light a thr…
1. hologram 2. polls 3. brainwashing 4. hacking 5. livestreaming 6. apps 7. vlog 8. media 9. memes 10. spamming
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what does it mean for a solid to have a definite shape? a it retains it…
A. It retains its shape under normal conditions.
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which of the following statements best explains why the standing long j…
A. The distance jumped is directly related to leg power.
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question warm - up select the correct answer. cars have safety features…
a. a bumper that crumples
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test information description instructions from the list of choices, sel…
Zero N
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view policies current attempt in progress josie damaged the three tiny …
Her auditory system would have some trouble carrying the vibrations to the cochlea.
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muscular strength is best described by ____________. a. the ability of …
C. the force produced in a single maximum effort
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match the vocabulary word to its definition. anything that has mass and…
1. "anything that has mass and takes up space" - a. matter 2. "amount of space an object takes up" - b. volume
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learning the language of scientific investigation activity 2 of 6: vari…
Independent variable: the new drug treatment, the placebo Dependent variable: the frequency of migraines
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a goniometer measures __________. a. a joints maximum range of motion b…
A. a joint's maximum range of motion
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13. the planet mercury has a diameter of 4,878 km whereas the moon has …
The planet Mercury is larger because its radius is 2439 km.
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select the correct answer. what was galileos contribution to the study …
B. He was the first to systematically study force and motion
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students are making lemonade from a powdered lemon drink mix. sophie mi…
Pedro's mix will be more watery.
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select the correct answer. which kind of force do you exert on an objec…
A. applied force
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an object with a mass of 90 grams, moving at a constant velocity of 6 m…
A. a momentum of 540 gram meters per second
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how many cm are in 70.7 km? round your answer to the tenths place.
7070000.0 cm
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cartography is the science of map - making. the process of transporting…
the science of map - making.
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which of the following statements about air is true? a. air is not a so…
D. None of these statements are true.
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human movement involves the complex interplay of many body systems. ple…
T
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how many cm are in 33,087.8 micrometers? round your answer to the tenth…
3.3 cm
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according to newtons third law of motion, if you push against a wall, t…
C. push against you with equal force
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activity 1 of 6: hypothesis the case of the dead phone belinda was surp…
The phone didn't charge because the charger is broken.
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a researcher generates a 40 hz pure tone for a participant, then genera…
The different frequencies would stimulate different areas inside the cochlea.
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one consequence of newtons third law of motion is that __________. a. e…
C. all actions have equal and opposite reactions
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gravity is an attractive force that decreases as the mass of an object …
F
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instructions: complete the sentences using the correct directional term…
- a. proximal - b. anterior - c. inferior - d. proximal - e. lateral - f. cranial (not one of the given terms but the cavity where the brain is located; if we must choose from giv…
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it is impossible to destroy ________. a. motion b. momentum c. energy d…
C. energy
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how many mg are in 88.2 cg? round your answer to the tenths place.
882.0 mg
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which of the following is classified as input device? a flash drive b e…
C. Webcam
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how many dag are in 0.981 kg? round to the tenths place.
98.1 dag
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select the correct answer lucas rubs a plastic ruler on his sweater. he…
D. electric force
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which type of joint allows rotation of one bone around another like whe…
A. pivot
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which of the following is a necessary step in maintaining computer hard…
D. Cleaning air vents
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view policies current attempt in progress ever since tony was young, he…
Javier is a monochromat and Tony has a color deficiency.
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how many ns are in 33.3 ms? round your answer to the tenths place.
33300000.0 ns
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which of the following factors can affect processor performance of a cp…
A. Clock speed
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how many g are in 523,358.0 micrograms? round to the tenths place.
0.5
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which of the following devices is the easiest to upgrade, such as by ad…
A. Desktop computers
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directional, regional and planes of the body practice 1. choose from th…
1. (From top to bottom in the image, assuming the orientation is correct) Sagittal Plane, Frontal (coronal) Plane, Transverse Plane 2. - a. distal - b. superficial - c. superior -…
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which is the most suitable device to use in a classroom or a conference…
D. Projector
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current attempt in progress you look straight ahead and see several obj…
C. myopia
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how many dg are in 73.3 kg? round your answer to the tenths place.
\(733000.0\ dg\)
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which of the following describes the best strategy for increasing a spe…
C. applying the principles of overload and progression to exercise the joint
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8. 14 kg ≈ lb
30.86 (rounded to two - decimal places)
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7. 113 g ≈ □ oz 8. 14 kg
4
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why does range of motion need to be measured separately for each joint?…
B. Each joint has a different range of motion.
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when should a user consider restoring the operating system? a. when pro…
A. When programs or apps do not start properly
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when considering a computer to purchase, which of the following factors…
B. platform
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the joints in the fingers are _. a. pivot joints b. saddle joints c. co…
C. condyloid joints
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which of the following statements best explains why ball - and - socket…
D. The cup shape of the socket allows for movement in multiple directions.
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when a cpu executes instructions as it converts input into output, it d…
A. the control unit and the arithmetic logic unit
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how many ns are in 373.6 cs?
3.736×10^9 ns
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hyperextension bends a joint in the opposite direction as flexion. plea…
A. T
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what type of hard drive has no moving parts, making it fast and durable…
B. solid state drive
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which is the best topic sentence for the second paragraph of an essay a…
In addition, an effect of exercise is healthy skin.
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what should you do if a headset plugged into your computer is not worki…
B. Update the device driver
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what distinguishes the three different classes of levers found in the h…
C. where the components of the lever are located
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select the correct answer how does in vitro fertilization work? a. the …
B. Several eggs taken from a woman and sperm from a man are put together in a lab situation.
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what is best to say about a runner who is running at a constant velocit…
C. Their acceleration is zero.
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what printer is commonly used to produce high - quality professional dr…
C. Plotter
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the ankle is a third class lever. please select the best answer from th…
F
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what performance specification does 2 ghz refer to? a. speed at which t…
A. Speed at which the processor executes instructions
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a balance uses small metal weights of known mass to determine the mass …
D. in a zero gravity environment