物理
力学、受力分析、電気、式を使った解法。
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suppose you record the projectile motion of a basketball. the frame rat…
2.78×10⁻⁴ minute (the option with this value)
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suppose you record the motion of a mug sliding down a ramp via a video …
0.0236 inches (Wait, the options seem to have a typo? Wait, let's recalculate. Wait, 1000 pixels = 60.0 cm. First, convert 60.0 cm to inches: 60.0 cm / 2.54 cm per inch ≈ 23.622 i…
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suppose you record the motion of a mug sliding down a ramp via a video …
0.0254 inches (Wait, no, let's recalculate. Wait, the problem: 1000 pixels = 600 cm. We need pixels to inches. First, convert 600 cm to inches. Since 1 inch = 2.54 cm, so 600 cm i…
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suppose a mug is sliding down a ramp with a constant acceleration. whic…
C. both vertical and horizontal components
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a basketball is launched to the left with a speed of 5.00 m/s. after hi…
Negative
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the graph below shows vₓ versus t for an object moving along a straight…
Compute the area under the graph from \( t = 0.0 \, \text{s} \) to \( t = 5.0 \, \text{s} \)
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the graph below shows ( v_x ) versus ( t ) for an object moving along a…
Take the slope of the graph between \( t = 5.0 \, \text{s} \) and \( t = 9.0 \, \text{s} \).
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on a graph of ( v_x ) versus time, what quantity does the area of the g…
C. The x - component of the displacement.
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on a graph of $v_x$ versus time, what quantity does the slope of the gr…
The x - component of the acceleration.
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which of the following is a vector quantity? multiple choice length spe…
D. force
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john measures the length of one side of his room with a tape measure. h…
\((4.45 \pm 0.075)\) m or \(4.45\) m \(\pm\) \(0.075\) m (the last option)
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john measures the length of one side of his room with a tape measure. h…
0.0750 m (corresponding to the option with 0.0750 m)
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john measures the length of one side of his room with a tape measure. h…
B. Neither. John should calculate the statistical average of the data set
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why is it important to write quantities with the correct number of sign…
C. To indicate how precisely a quantity is known.
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now that you’ve ensured various points of view are sorted and represent…
B. The death of many of his loved ones, including his wife Virginia, shaped his understanding of loss
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38. t f honesty and integrity are the hallmarks of a conscientious nurs…
T. Honesty and integrity are the hallmarks of a conscientious nursing assistant. ### Question 39:
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now that you’ve studied the themes and meaning behind poe’s work, you’v…
A. Bereavement and the Brain: Contemporary Neuroscience on Grief
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now that you’ve got a compelling opening line and have cited some textu…
D. Though some of the language is older, Poe's chilling and haunting imagery endures timelessly, much like the nature of fear itself.
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21. making fun of a gay co-worker is an example of a. mental abuse. b. …
d. sexual harassment ### Question 22
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now that the beginning of your script sounds active and engaging, its t…
The option: "Back into the chamber turning, all my soul within me burning/ Soon again I heard a tapping somewhat louder than before."
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13. an untrue verbal statement about another person is: a. battery. b. …
d. slander ### Question 14
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assistant, to handle the patient gently to prevent injury. tony is in a…
d. negligence. ### Question 8
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review a. multiple choice select the best answer for each of the follow…
c. verbal abuse. ### Question 2
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liam loves every aspect of \the tortoise and the hare\ and can vividly …
C. The tortoise's insistence to not give up and its steady progress toward the finish line
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the first stanza is as follows: \do not go gentle into that good night,…
C. It emphasizes the importance of aging purposefully and with vitality.
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what did j. j. thomson observe when he applied electric voltage to a ca…
B. The glass opposite of the negative electrode started to glow.
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was nowhere to be seen. suddenly don ricardo dashed up to him in a rage…
The dramatic version contains stage directions, and the narrative version does not.
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question 1 0 / 2 points eighty - year - old tony feliz has a purple dis…
B. Purpura
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what evidence do we have that we are losing species at more than the no…
Evidence includes: 1. Fossil record comparison (current extinction rates ~100 - 1000× background rate). 2. IUCN Red List (more species listed as threatened/extinct). 3. Habitat lo…
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3. what evidence do we have that we are losing species at more than the…
Evidence includes: 1. Fossil record showing current extinction rates (e.g., from IUCN data) are 100 - 1000+ times the background rate (1 - 5 species/year/million species). 2. IUCN…
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why are over-the-counter drugs often abused? they taste better than pre…
B. They are legal and easy to access.
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which is a possible consequence of poor decision making associated with…
D. increased risk of an unplanned pregnancy
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which drug is derived from the hemp plant? ○ marijuana ○ ketamine ○ her…
A. marijuana
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which of these is a commonly abused prescription? opiate pain relievers…
A. opiate pain relievers
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in 2012, seat belts saved an estimated 12,174 people from dying. from 2…
- the desire to be one of the people saved by a seat belt if in a car crash - commitment to wearing a seat belt - a sense of approval that the police are making sure people wear t…
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at the same time, min’s little brother throws a baseball from a height …
(First Sub - Question): For the polynomial modeling the height of the ball: \(-16t^{2}+20t + 4\), so the first box is \(20t\) (or \(20\) in the coefficient of \(t\) place) and the…
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this is a multi - part item. the polynomial (-16t^2 + vt + h_0) models …
$-16t^2 + 30t + 6$ (the last option: $-16t^2 + 30t + 6$)
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the misuse of prescription drugs, especially by teens, has become a nat…
B. Prescription drug abuse is increasing among teens.
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question 19 of 20 : select the best answer for the question. 19. what p…
A. Mantle plumes
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question 18 of 20 : select the best answer for the question. 18. whats …
C. Pycnocline
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question 17 of 20 : select the best answer for the question. 17. where …
A. At divergent boundaries in the middle of the ocean
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question 16 of 20 : select the best answer for the question. 16. which …
C. Groundwater infiltration
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ball a is dropped from the top of a building. one second later ball b i…
D. increases.
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49 in the below figure, where should the doorknob be located to make th…
None of the provided options (along the rotational axis, above the rotational axis, along the lower edge, closer to the rotational axis) are correct. The correct location should b…
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question 15 of 20 : select the best answer for the question. 15. whats …
D. The shoreline habitat is destroyed through loss of sand.
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in the below figure, where should the doorknob be located to make the d…
The doorknob should be located as far as possible from the axis of rotation (the hinges), ideally at the opposite edge of the door from the hinges (e.g., the right - most edge of …
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can the velocity of an object be nonzero and the acceleration be zero a…
Yes. An object moving in a straight line at constant speed has zero acceleration.
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question 13 of 20 : select the best answer for the question. 13. which …
D. Lateral
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question 12 of 20 : select the best answer for the question. 12. which …
D. Line spectra
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which of the si prefixes is used to indicate (10^{-9})? multiple choice…
A. nano
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a volunteer firefighter holds the end of a firehose as a strong jet of …
D. If a constriction develops in the hose, the water speed in the constriction will be increased due to the smaller area.
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question 10 of 20 : select the best answer for the question. 10. suppos…
B. It must follow a closed orbit around a star.
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what does a barometer measure? what is the si unit of the physical quan…
D. Absolute pressure of the fluid in Pascals (Pa or \( \text{N/m}^2 \)).
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a skater is initially spinning at a rate of 18.0 rad/s with a rotationa…
40.5
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question 9 of 20 : select the best answer for the question. 9. which of…
C. The tail always points away from the sun.
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an object is undergoing a uniform circular motion. what can one say abo…
B. The acceleration has a constant magnitude, but its direction changes continuously.
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animals that can run fast tend to have thin legs close to their pivotal…
C. Concentrating mass closer to the hip joint reduces rotational inertia, allowing for faster leg swings.
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question 8 of 20 : select the best answer for the question. image: eart…
B. Beginning of autumn
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question 7 of 20 : select the best answer for the question. 7. in a sta…
B. core.
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question 5 of 20 : select the best answer for the question. 5. when doe…
A. When it passes the Roche limit
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estimate the average blood pressure in a persons foot if the foot is 1.…
117 (approximate, detailed calculation below)
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why would one study physics? multiple choice physics provides a strong …
D. All of the above.
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algebraic symbols in physics equations represent physical quantities, t…
the symbols represent numbers and units.
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an object of mass m is hanging by a string from the roof of an elevator…
A. equal to \( mg \)
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airplane is travelling in level flight at a constant velocity. l is the…
Figure 3
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question 3 of 20 : select the best answer for the question. image: eart…
B. Middle of summer
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question 2 of 20 : select the best answer for the question. 2. which ce…
C. Asteroids
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required information the orange jewelweed (impatiens capensis) has seed…
0.798 (approximate value, more precise calculation may vary slightly)
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once the solution to a problem has been found, what is recommended befo…
D. All of the above.
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how many black holes potentially exist in the milky way? answer options…
100 million
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which of the following is the largest known gravitationally bound struc…
Cluster
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what are the first two steps to be followed in solving any physics prob…
Thoroughly read the question. Then, visualize the problem by making a quick sketch to outline the details of the situation and the known parameters.
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question: the milky way, the andromeda galaxy, and 52 other smaller gal…
Local Group
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question: what name is given to evidence collected by the wmap probe of…
D. Cosmic microwave background radiation (assuming the options are labeled A - D with A: The Kepler cloud, B: Gravitational redshifting, C: Large Magellanic clouds, D: Cosmic micr…
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you are trapped on the 2nd floor of a burning building. the only escapi…
A. Spread out the net horizontally as much as possible, covering a larger area. The larger the area of the net, the less damage your body will receive.
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question: which of the following measurements show(s) that the universe…
Relativistic Doppler effect
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a volunteer firefighter holds the end of a firehose as a strong jet of …
A. Newton's third law of motion. The fast moving expelled water exerts a force of equal magnitude back on the hose and the firefighter who is holding the hose in place.
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question: which two factors are used to quickly classify a newly discov…
B. Temperature and luminosity
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why must a blood pressure cuff be wrapped around the arm at the same ve…
A. At a different level, there would be a pressure change in the blood due to the difference in height.
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question: which part of the sun when viewed with a telescope appears to…
A. Photosphere
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why is knowing the center of gravity (cg) of objects important? multipl…
B. The CG helps predict the object's stability and balance during motion or at rest.
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a merry-go-round spins with negligible friction. a child moves from the…
The angular momentum of the system remains the same. Both the angular velocity and rotational kinetic energy decrease.
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question: ____ is a process that refers to the creation of heavier elem…
nucleosynthesis (or fusion, but nucleosynthesis is the more precise term for the creation of heavier elements from lighter ones in astrophysical and physical contexts)
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which of the following is not an si base unit? multiple choice kelvin m…
B. meters per second squared
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question: which energy is the source of the heat emitted from a star? a…
D. Nuclear
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question: very massive stars eventually form supernovas or black holes.…
mass
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17 on the $a_x$ versus time graph, what quantity does the area under th…
The change in the x - component of the velocity.
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question: how does solar wind direct the tail of gas and dust released …
A. Always away from the sun
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question: one astronomical unit equals ____ million miles. answer input…
93
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question: why do mercury, venus, earth, and mars lack hydrogen and heli…
C. Their gravitational pull is too weak (assuming the options are labeled A - D as: A. Their gravitational pull is too strong, B. Their masses are too large, C. Their gravitationa…
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a frog is sitting on a lily pad when it sees a delicious fly. he darts …
\(0.205\)
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can the gravitational potential energy of an object ever be negative? m…
Yes, gravitational potential energy can be negative relative to a chosen reference point.
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question: why have the gas giants failed to collapse into stars? answer…
A. They spin very quickly on their axes.
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a 50.0-pound box is pulled by a rope across a level surface at constant…
148 N
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an object is undergoing a uniform circular motion, what can one say abo…
The velocity has a constant magnitude, but its direction changes continuously.
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a train crosses a platform 100 m long in 60 seconds at a speed of 45 km…
52 sec
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question: the ____ hypothesis states that the moon and the earth origin…
co - formation (or condensation)
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1. where is venkateswara temple situated in india? 1. tirumala 2. hyder…
1. Tirumala
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describe the necessary requirement(s) for an object to be in static and…
D. Both the net force and the net torque acting on it must equal zero.
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two balls are thrown from the top of a building. one is thrown up and t…
A. They are traveling at the same speed.