For a 7 stage MIPS execution pipeline, compute the theoretical maximum speed up. Explain what a pipeline hazard is?
Answers
The theoretical maximum speedup of a pipeline can be calculated using the formula:
Maximum Speedup = Number of Stages
In this case, the pipeline has 7 stages, so the theoretical maximum speedup would be 7.
A pipeline hazard refers to a situation in a pipeline where the normal flow of instructions is interrupted or delayed, leading to a decrease in performance or efficiency. Pipeline hazards can occur due to dependencies between instructions or conflicts in resource usage. There are three types of pipeline hazards:
Structural hazards: These occur when multiple instructions require the same hardware resource at the same time. For example, if two instructions need to access the same register or memory location simultaneously.
Data hazards: These occur when an instruction depends on the result of a previous instruction that has not yet completed. Data hazards can be further classified into three types: read-after-write (RAW), write-after-read (WAR), and write-after-write (WAW) hazards.
Control hazards: These occur due to changes in the program flow, such as branches or jumps. Control hazards can result in the pipeline incorrectly predicting the next instruction, leading to wasted cycles.
To mitigate pipeline hazards, techniques like forwarding, branch prediction, and instruction scheduling can be employed. These techniques aim to minimize stalls and ensure smooth execution of instructions in the pipeline, thereby improving overall performance.
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Related Questions
HELP ME ASPP PLEASE THANK YOU
Answers
The 2 elements described below that are isotopes of boron, 5 protons, 6 neutrons. so, option (c) is correct.
What is isotopes ?
Isotopes are separate chemical elements with the same number of protons, electrons, and neutrons as their parent element but a different number of neutrons. We can infer from the definitions of atomic mass and atomic number given above that isotopes are elements with the same atomic number but differing masses.
What is elements ?
An essential element of a totality. In chemistry, a simple substance is one that cannot be divided into smaller components or transformed into another substance. An element's fundamental building block is an atom, which is made up of protons, neutrons, and electrons. The number of protons in an element's atoms is constant.
Therefore, 2 elements described below that are isotopes of boron, 5 protons, 6 neutrons.
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An astronomer is observing a star which puzzles her. The lines in the star's spectrum indicates that the star is very hot and should therefore be blue. But the star looks reddish in photographs and in measurements of the continuous spectrum. What is one possible explanation of this puzzle
Answers
Answer:
the stars which are red in color are cool.
Explanation:
The stars which has reddish color are cool in nature while those stars which has white and blue in color are very hot in nature. The stars change its color when they becomes hotter , first the star color reddish when they are cool but with increasing temperature it changes the color from reddish to orange then yellow. After yellow it turns green and finally get blue color when the stars are very very hot.
At which of the following air temperatures will the
speed of a sound wave be closest to 1.000 feet per
second?
A) -46°F
B) -487
C) -49°F
D) -50°F
Answers
Answer:
The answer is: B. -487 ..............
Colette launches an air rocket in the upward, positive direction. It launches
with an initial velocity of 25.5 m/s. It accelerates in the downward, negative
direction at a rate of 9.81 m/s2. After 3.5 seconds, what is the magnitude of
the rocket's displacement?
A) 29 meters
B) 31 meters
C) –150 meters
D) 150 meters
Answers
Answer:
b
Explanation:
Answer:
The answer is A) 29 meters
Explanation:
I got this question right on the test! :)
The reason that small planets tend to lose interior heat faster than larger planets is essentially the same as the reason that ________.
Answers
The word is "thermal conductivity." Small planets have a larger surface area-to-volume ratio, meaning there is more surface area for heat to escape from, which is similar to how coffee, which has a higher thermal conductivity than soup, cools faster.
A material's capacity to conduct heat is referred to as its thermal conductivity. It is a characteristic that changes depending on the material's kind, temperature, and other elements. Heat can be transferred fast and effectively between materials with high thermal conductivity and slowly between materials with poor thermal conductivity. Understanding how heat passes through the Earth's crust, constructing heat sinks for electrical devices, and forecasting the behaviour of materials exposed to high temperatures are just a few of the engineering and scientific applications where thermal conductivity is crucial. Thermal conductivity can be measured by scientists and engineers using a variety of techniques, including the hot wire method, the guarded hot plate method, or the transient plane source method. Researchers can create more efficient and energy-efficient designs by comprehending the thermal conductivity of various materials.
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What is the type of radioactive decay represented by the equation above? A. Gamma B. Fusion C. Alpha D. Fission 40. Alberta uses clean coal technology. This means that the coal has a lower i content than coal in other parts of Canada, which results in reduced ii The statement above is completed correctly by the information in row olla sdf to ridW Row i A. sulfur greenhouse gas emissions acid deposition sulfur carbon greenhouse gas emissions acid deposition carbon B. C. D. 29. Which of the following graphs depicts the relationship between gravitational field strength and the mass of the International Space Station orbiting Earth? A. Field Strength (N/kg) C. Field Strength (N/kg) Mass (kg) Mass (kg) B. Field Strength (N/kg) D. Field Strength (N/kg) Mass (kg) CADLC 30. Which of the following sequences of colours represents the changing temperatu from the surface to the atmosphere of the sun? a A. Red, orange, yellow, blue B. Yellow, red, orange, blue C. Orange, yellow, blue, red D. Blue, yellow, orange, red 1. When a star undergoes a blue shift, the star is A. moving away from an observer B. moving towards an observer C. moving parallel to an observer D. stationary Mass (kg)
Answers
The sun is Yellow, red, orange, and blue. Therefore option B is correct.
The star is moving toward an observer. Therefore option B is correct.
39. The type of radioactive decay represented by the equation provided Gamma. Therefore option A is correct.
40. The statement is completed correctly by the information which states that the coal in Alberta has a lower carbon content than coal in other parts of Canada, resulting in reduced greenhouse gas emissions.
29. graph B depicts the relationship between gravitational field strength and the mass of the International Space Station orbiting Earth.
30. The correct sequence of colors representing the changing temperature from the surface to the atmosphere of the sun is Yellow, red, orange, and blue. Therefore option B is correct.
1. When a star undergoes a blue shift, it indicates that the star is moving toward an observer. Therefore option B is correct.
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Causes the total energy of a system to change kinetic potential work thermal Q3:
Friction changes mechanical energy into
(1) work
(2) momentum
(3) potential energy
(4) internal energy
Answers
Friction causes the total energy of a system to change by converting mechanical energy into different forms. It changes mechanical into intrernal energy, The correct option is (4)
When two surfaces are in contact and sliding against each other, frictional forces act between them. These forces oppose the motion and result in the conversion of mechanical energy into other forms. One of the primary forms that friction converts mechanical energy into is internal energy.
Internal energy represents the total energy stored within a system due to the microscopic motions and interactions of its particles. Friction generates heat energy, increasing the internal energy of the system. This heat energy is a result of the collision and rubbing of atoms and molecules in the contact area.
While friction does involve work, it does not change the overall mechanical energy of the system since work is typically associated with the transfer of energy between systems.
Friction does not directly change momentum or potential energy. Instead, it converts mechanical energy into thermal energy (heat) through the process of dissipative forces, leading to an increase in the system's internal energy. The correct option is (4)
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Can the sun explain global warming? ( 2 points) Suppose that the Earth has warmed up by 1 K in the last hundred years. i) How much would the solar constant have to increase to explain this? ii) Compare this to the observed fluctuation of the solar constant over the past 400 years (shown in class) For part (i), begin with the standard 'blackbody' calculation from class, that is: set α=0.30, and assume that the Earth acts as a blackbody in the infrared.
Answers
No, the sun cannot explain global warming. Global warming is a phenomenon in which the temperature of the Earth's surface and atmosphere is rising continuously due to human activities such as deforestation, burning of fossil fuels, and industrialization.
This increase in temperature cannot be explained only by an increase in solar radiation.There are several factors which contribute to global warming, including greenhouse gases such as carbon dioxide, methane, and water vapor. These gases trap heat in the Earth's atmosphere, which causes the planet's temperature to rise. The sun's radiation does contribute to global warming, but it is not the main cause.
i) To calculate the increase in solar radiation that would cause the Earth to warm up by 1 K, we can use the following formula:ΔS = ΔT / αWhere ΔS is the increase in solar constant, ΔT is the increase in temperature, and α is the Earth's albedo (reflectivity).α = 0.30 is the standard value used for the Earth's albedo.ΔS = ΔT / αΔS = 1 K / 0.30ΔS = 3.33 W/m2So, to explain the increase in temperature of 1 K over the last hundred years, the solar constant would need to increase by 3.33 W/m2.
ii) The observed fluctuation of the solar constant over the past 400 years has been around 0.1% to 0.2%. This is much smaller than the 3.33 W/m2 required to explain the increase in temperature of 1 K over the last hundred years. Therefore, it is unlikely that the sun is the main cause of global warming.
The sun cannot explain global warming. While the sun's radiation does contribute to global warming, it is not the main cause. The main cause of global warming is human activities, particularly the burning of fossil fuels, which release large amounts of greenhouse gases into the atmosphere.
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A block initially at rest on a horizontal, frictionless surface is accelerated by a constant horizontal force of 5. 0 newtons. If 15 joules of work is done on the block by this force while accelerating it, the kinetic energy of the block increases by.
Answers
By the work-energy theorem, the block's kinetic energy is increased by 15 J. The only force performing work on the block is the constant 5.0-N push.
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How much force (in Newtons) does a baseball pitcher have to exert on a 250g baseball to make it accelerate to 50 m/s the
Instant that it leaves his hand?
Answers
Answer:
Force = 12.5 Newton
Explanation:
Given the following data;
Mass = 250 g to kilograms = 250/1000 = 0.25 kg
Acceleration = 50 m/s²
To find the force;
Newton's Second Law of Motion states that the acceleration of a physical object is directly proportional to the net force acting on the physical object and inversely proportional to its mass.
Mathematically, it is given by the formula;
\( Acceleration = \frac {Net \; force}{mass} \)
Making force the subject of formula, we have;
\( Force = mass * acceleration \)
Substituting into the formula, we have
\( Force = 0.25 * 50 \)
Force = 12.5 Newton
why is sun the only star that can be seen during day time
Answers
Explanation:
i think the sun is near the earth that's why we see the sun during the day and the moon is behind the sun so when it is in the night the moon will remove in front the sun and there will be night I hope it will help you
which of the following statements is true? low-velocity injuries produce extensive temporary wound channels. there are four levels of velocity. the higher the velocity of a projectile, the larger the cavity it produces. the velocity of an object is not a critical determination in your assessment.
Answers
The statement that is true is: "The higher the velocity of a projectile, the larger the cavity it produces."low-velocity injuries produce extensive temporary wound channels. there are four levels of velocity.
A projectile is an object that is thrown, launched, or shot through the air and travels in a parabolic path under the influence of gravity. It can be a solid, liquid, or gas and can be propelled by various means such as a gun, bow, and arrow, or even by throwing with one's own body. The trajectory of a projectile is determined by its initial velocity, angle of projection, and the force of gravity acting upon it. Understanding the principles of projectile motion is important in a variety of fields, such as engineering, physics, and sports. Projectile motion is also affected by air resistance and other external factors, making it a complex area of study.
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You are talking to your grandmother—who grew up in the 1960s—about climate change. She asks you a lot of questions about the issue, and in the end, isn’t sure she believes it to be a problem. Upon reflection, what belief about climate that was popular in the 1960s might have influenced your grandmother’s conclusion that she isn’t sure climate change is a problem?
A. Climate only consisted of temperature, rather than the modern belief that climate includes other aspects.
B. The Earth had four climate stages, and we are not due for a fifth for 10,000 years.
C. Climate change happened over hundreds and thousands of years, not quickly.
D. The little ice age was still happening, so our temperatures should be going down.
*Answer is not A*
Answers
The belief about climate that was popular in the 1960s might have influenced your grandmother’s conclusion that she isn’t sure climate change is a problem (C). Climate change happened over hundreds and thousands of years, not quickly is correct option.
Your grandmother's conclusion that she doesn't think climate change is a problem may have been affected by the 1960s climate belief C. It was thought that climate change occurred slowly, spanning thousands of years. The rate at which the climate could change at the time was not well understood by the scientific community, and it was widely believed that climate change was a slow and gradual process. People may find it difficult to embrace the idea that human actions could create sudden and severe changes in the Earth's climate system because they perceive climate change as a gradual process.
Therefore, the correct option is (c).
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base your answer to the question on the information given. a 1,000-kilogram car traveling with a velocity of 20 meters per second decelerates uniformly at -5.0 meters per second^2 until it comes to rest. what is the total distance the car travels as it decelerates to rest?
Answers
Answer:
40 meters
Explanation:
To solve this, we will use the motion formula \(v^{2} =u^{2} +2as\), where v is the final speed, u is the initial speed, a is the acceleration, and s is the distance. We know:
u= 20m/s
a= - 5m/s^2 (note the minus sign because we are decelerating)
v= 0m/s (our final speed will be 0 because we want to come to a stop)
Now plug in these values into the formula:
\(v^{2} =u^{2} +2as\)
\(0^{2} =20^{2} +2(-5)s\)
\(0 =400-10s\)
\(10s=400\)
\(s=40\\\)
air in a bicycle pump is compressed by pushing in the handle. the inner diameter of the pump is 3.0 cm and the pump is depressed 20. cm with a pressure of 2.00 atm. (a) how much work is done in the compression? (b) is the work positive or negative with respect to the air in the pump? (c) what is the change in internal energy of the system?
Answers
An adiabatic process is the expansion or contraction of the a gas under pressure. It implies that the temperature varies along with the volume. When the gas pressure in the bike pump is rising.
Correct option is, C.
What causes a bicycle pump to heat up?The adiabatic process causes the cycle pump's nozzle to heat up. A rise in temperature results from adiabatic compression, which increases the system's internal energy to make up for the gas compression. Thus, adiabatic compression causes the nozzle to get heated.
How can the gas pressure be raised?The molecules of a gas receive more energy when heated, causing them to move more quickly. This results in increased pressure and more impacts just on container's walls. On the other hand, cooling the molecules will cause them to slow down and reduce pressure.
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A 969 n sky diver has opened his parachute to slow his descent to a constant speed the parachute applies 1,323 n of force. what deceleration does he experiences
Answers
Answer:
See below
Explanation:
Find mass of skydiver
F = mg
969 = m ( 9.81) so m = 98.8 kg
NET deccel force = 1323-969 = 354 N
F=ma
354 = 98.8 (a) = 3.58 m/s^2 decceleration
An ice skater on a frozen canal moves at a steady 5.5 m/s. At time zero, the skater passes a post, which the initial position for this question. Set up a data table to record the skaters position at the end of second for 8.0s
Answers
At the end of the eighth second with the constant velocity of 5.5 m/s the skater will have travelled a distance of 44 meters from the initial point of reference and his position will be 44 meters from initial position.
What is constant velocity?Velocity is a vector that presents change in displacement per unit time constant velocity implies that the change in displacement will remain the same every second.
What is position and displacement?Position is a word that is referenced to the displacement that object has covered in a certain direction where as displacement is the shortest distance between two points.
Given:
Initial constant velocity = 5.5 m/s
According to the question this velocity remains constant throughout the motion.
To find the position of the status on the 8th 2nd after the skater passes the initial point can be found by using the displacement time formula.
Displacement = constant velocity × time
Substituting value in the displacement time formula we get.
Position at eighth second from the initial point = 5.5 × 8
Position at eighth second from the initial point = 44 meter
Therefore, at the end of the eighth second with the constant velocity of 5.5 m/s the skater will have travelled a distance of 44 meters from the initial point of reference and his position will be 44 meter from initial position.
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Which of franz mesmer’s claims about his mesmerism abilities eventually led to his downfall? a. his cures were 100 percent effective and safe. b. he could mesmerize and magnetize trees. c. his abilities could cure the king’s paralysis. d. he could mesmerize an entire crowd of people. please select the best answer from the choices provided a b c d
Answers
Franz Mesmer’s claims about his mesmerism abilities eventually led to his downfall that he could mesmerize and magnetize trees.
Franz Anton Mesmer was a German physician who was the father of modern hypnotism. He was born in Iznang, Swabia (Germany) on May 23, 1734, and passed away in Meersburg, Swabia, on March 5, 1815.
Mesmer swiftly amassed fame, money, and a large following of patients because he had a sincere belief in his capacity to manage his invisible fluid. He designed the baquet, a shallow wooden tub that could accommodate thirty patients at once and included magnetised water and iron bars.
As a result, when ebullient Austrian physician Franz Anton Mesmer claimed to have discovered another another invisible energy that, in his words, flowed through every living thing and was the root of and treatment for every bodily condition.
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What is the momentum, in kg m/s, of a tyre of mass 6 kg rolling along at a velocity of 3m/s?
Answers
Answer:
p = 18 kg-m/s
Explanation:
Given that,
The mass of tyre, m = 6 kg
The velocity of the tyre, v = 3 m/s
We need to find the momentum of the tyre. We know that, the momentum of an object is equal to the product of mass and velocity. SO,
p = mv
\(p=6\ kg\times 3\ m/s\\\\=18\ kg-m/s\)
So, the momentum of the tyre is equal to 18 kg-m/s.
A 900 kg car has a momentum of 11,700 kg-m/s towards the west. What is the magnitude and direction of its velocity?
Answers
Answer:
mv=11700
m=900
v=11700/900=13m/s in west
what is the speed of a 38-g bold eagle if it has a momentum magnitude of 0.45 kg•m/s ?
Answers
The speed of a 38-gram bald eagle with a momentum magnitude of 0.45 kg m/s is approximately 11.84 m/s. This can be calculated using the momentum formula.
The momentum formula is given by:
momentum = mass × speed
First, we need to convert the mass of the bald eagle from grams to kilograms since the momentum is given in kg•m/s. To do this, we divide the mass in grams by 1000:
mass (kg) = 38 grams ÷ 1000 = 0.038 kg
Now, we can rearrange the momentum formula to solve for the speed:
speed = momentum ÷ mass
Substitute the given values:
speed = 0.45 kg•m/s ÷ 0.038 kg
speed ≈ 11.84 m/s
Therefore, the speed of a 38-gram bald eagle with a momentum magnitude of 0.45 kg•m/s is approximately 11.84 m/s.
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A runner runs 400 metres in 1 minute 20 seconds. What is his speed in m/s
Answers
Answer:
5m/s
Explanation:
400m/ 20+60s
= 400/ 80 m/s
5 ms-1
why does an iron core increase the magnetic induction of a coil?
Answers
An irοn cοre increases the magnetic inductiοn οf a cοil due tο its high permeability.
What is permeability?Permeability is a measure οf hοw easily a material can be magnetized, and irοn has a much higher permeability cοmpared tο air οr οther nοn-magnetic materials.
When a cοil is wοund arοund an irοn cοre, the magnetic field generated by the current in the cοil induces magnetizatiοn in the irοn cοre. The irοn cοre aligns its atοmic magnetic dipοles in the same directiοn as the magnetic field created by the cοil, resulting in a reinfοrcement οf the magnetic field. This alignment οf magnetic dipοles in the irοn cοre creates a strοnger magnetic field within and arοund the cοil, leading tο an increased magnetic inductiοn.
In οther wοrds, the irοn cοre effectively channels and cοncentrates the magnetic field prοduced by the cοil, amplifying the magnetic inductiοn. This makes the cοil with an irοn cοre mοre effective in generating and interacting with magnetic fields, which is advantageοus in variοus applicatiοns such as transfοrmers, electrοmagnets, and inductοrs.
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A traffic-safety engineer is designing a deceleration lane. She is basing the length of
this lane on the distance needed to slow down from 126 km/h to 65 km/h in 8.5 s.
How long should the deceleration lane be?
Answers
The deceleration of the car is observed as 2 m/s^2.
What is deceleration?The term deceleration has to do with the decrease of velocity with time.
Given that;
v = 65 km/h or 18 m/s
u = 126 km/h to or 35 m/s
t = 8.5 s
a = ?
v = u - at
18 - 35 = -8.5a
a = 18 - 35/-8.5
a = 2 m/s^2
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Using a mass of 1. 8 g and the volume displaced by the sample, calculate the sample's density. Question 17 options: 0. 17 g/mL 0. 35 g/mL 0. 60 g/mL 0. 78 g/mL.
Answers
The sample's density with respect to the volume it displaces is equal to: C. 0. 60 g/mL
Given the following data:
Mass = 1.8 gramsInitial volume = 20 mLFinal volume = 23 mLTo calculate the sample's density:
First of all, we would determine the volume displaced by the sample;
\(Volume \;displaced = 23-20\)
Volume displaced = 3 mL
Density can be defined as mass all over the volume of an object. Thus, density is mass per unit volume of an object.
Mathematically, the density of a substance is given by the formula;
\(Density = \frac{Mass}{Volume}\)
Substituting the given parameters into the formula, we have;
\(Density = \frac{1.8}{3}\)
Density = 0.60 g/mL
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A block is dropped on to
the track and bounces back
to the dropping point.
Is energy conserved or not?
Answers
Answer: yes
Explanation:
A silver tea spoon is placed in a cup filled with hot tea. After some time, the exposed end of the spoon becomes hot even without a
direct contact with the liquid. This phenomenon can be explained by:
Answers
Answer:
As atoms in the spoon vibrates about their equilibrium positions and transfer energy form one end to other end. This process is called conduction.
determine the displacement of an airplane that experiences uniform acceleration from 66 m/s to 88 m/s in 12 s
Answers
The displacement of a plane that is uniformly accelerated from 66 m/s to 88 m/s in 12 s is 131.76 m.
Briefing :There are three equations that correlate displacement to two of the other three parameters we use to describe motion: time, velocity, and acceleration when acceleration is constant.
Equation :Firstly, the distance for uniformly accelerating motion can be found by multiplying the average velocity by the time.
d=\(\frac{1}{2}\)\((v_{f} + v_{i} )\)\((t)\)
The second equation that relates displacement, time, initial velocity, and final velocity is generated by substituting this equation into equation 1.
\(v_{i} t+\frac{1}{2} at^{2}\)
The third equation is formed by combining 1 and 2. If we solve the first equation for t and then substitute it into the second equation, we get
\(v_{f} ^{2} =v^{2} _{i} + 2ad\)
which gives us when simplified:
\(d=\frac{1}{2} at^{2}\)
So from the question,
\(v_{f} =v_{i} +at\\88=66+12a\\12a=88-66\\12a=22\\a=\frac{22}{12} \\a=1.83 m/s^{2} \\\)
Then we substitute the value of a into the final equation,
\(d=\frac{1}{2}at^{2}\\ d= \frac{1}{2}1.83*12^{2} \\d= \frac{263.52}{2} \\d=131.76 m\)
Therefore the displacement is 131.76m.
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2. Look again at the image. Let's now assume that it depicts a girl hugging her father before he
leaves for a tour of duty overseas. How could you use science to study the impact of her father's
departure on her family? (2 points)
Answers
Assume for the moment that it shows a young child embracing her mother before he departs for a tour of service abroad. How would you employ science to analyse her effects.
What subjects does science study?What in physics is an energy?
The definition of energy is ability to do work," which is the capacity to apply a force that causes an item to move. organismal biology the study of sentient creatures Social science is the study of people and society.
How does science benefit you as a learner?photo of How might science be used for research,Students who study science get the chance to learn more about how and how things work. Children can learn about the environment they live in through science.
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Answer: The science I would use to study the impact of the father’s departure from her family would be interpretive sociology.
Explanation: The reason I chose this science is because it focuses on the cause of people’s actions.
A friend of yours left a pile of mail on a table. You notice your favorite magazine sticking out from under a package. You grab the magazine by its corner and get it from under the package. As you get your magazine, the package does not topple because
A- it has no acceleration
B-the force of gravity keeps it secured
C-it has inertia
D- a pair of action-reaction forces act on it
Answers
Answer:
d or b i think
Explanation:
i looked it up on go ogle :)
Answer:
b
Explanation:
sounds like it should be right