Which of the following expresses Newton's third law?
a.The total momentum of an isolated system always remain constant.
b.Acceleration is always accompanied by a force.
c.Every action force is accompanied by an equal and opposite reaction force.
d.Objects tend to remain at rest or in motion at constant speed
Answers
Related Questions
Huan wants to enter the science fair at his school. He has a list of ideas for his project. Which questions could be answered through scientific investigation? Check all that apply. Does pressure have an effect on the solubility of a substance? Which physicist was the smartest? Is the information on the periodic table difficult to understand? Which brand of soap is the best for cleaning grease off of dishes? Which laboratory experiment is the most fun to perform?
Answers
brick has a mass of 100 G and a volume of 25 cm squared, if you chop the brick in half what is the density of one half of the brick?
Answers
Answer: Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3.
Explanation:
Answer:
Density is defined as mass divided by volume, therefore: 100g/25cm3 = 4 g/cm3.
Which of the following is not true about centripetal force? Check all that
apply.
A. It's the same as centrifugal force.
B. It's also called an inward force.
C. Centripetal force keeps a car on the road going around a curve.
D. Without centripetal force, an object would continue in a straight
line.
E. Centripetal force is the same as gravity.
multiple answer question
Answers
Answer:
A, B Y E
Explanation:
The following is not true about Centripetal Force.
It's the same as centrifugal forceCentripetal force is the same as gravityWhat is Centripetal Force?Centripetal Force is the force that makes a body to move in a curved path. The direction of the force to the motion of the body is orthogonal and it is inward towards the fixed point of the center of rotation.
Therefore, following is not true about Centripetal Force.
It's the same as centrifugal force.Centripetal force is the same as gravity.Learn more about Centripetal Force from the link below.
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What is the formula to calculate the GPE of an object?
Answers
Answer:
mass x gravity x height
Explanation:
Gravitational potential energy is measured in jules
Help me ASAP (this is science ;-;)
Answers
A group of students is tasked with developing a checklist for determining whether a material undergoes a chemical or physical change. The students make a preliminary list of properties that they can test and classify each as either a chemical or physical property.
Chemical Property Physical Property
bubbles when treated with acid color
burns when placed in a candle flame odor
density hardness
boiling point mass
dissolves in water melting point
Several other students in the class claim that the checklist is incorrect.
What change should the group make to the checklist to correct their mistake?
Boiling point and density should be moved to the physical property side of the list, and color and odor should be moved to the chemical property side of the list.
Boiling point and density should be moved to the physical property side of the list, and hardness and mass should be moved to the chemical property side of the list.
Dissolves in water and boiling point should be moved to the physical property side of the list, and odor and mass should be moved to the chemical property side of the list.
Density and boiling point should be moved to the physical property side of the list.
please help
Answers
Answer:
that's alot better explain it
WILL GIVE BRAINELY! PLEASE HELP!
Which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction?
A.Find the mass of an acid and a base. Combine them to produce water and a salt. Find the mass of the water and salt.
B. Find the mass of a log. Burn the log until it turns to ash. Find the mass of the ash.
C.Find the mass of a piece of paper. Tear the paper into smaller pieces. Find the mass of the pieces.
D.Find the mass of a stick of butter. Heat the butter until it melts. Find the mass of the melted butter.
Answers
Here, we are required to determine which procedure could be used to demonstrate that matter is conserved during a chemical change or reaction.
The Correct answer is option A.
First, a chemical change is one in which a chemical compound is transformed into one or more chemical substances and consequently, the resulting compounds have different chemical properties as their atoms are arranged differently.
From the definition above, it is evident option A where an acid and a base are reacted together to form water and salt is an example of chemical change and obeys the law of conservation of matter.
This is so because, upon first measuring the mass of the acid and base separately and then measuring the mass of the resulting salt and water.
The mass in both instances is constant.
Therefore, the correct answer is option ARead more:
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what area of technology is the camera classified in? And WHY
a. Information and Communication
b. Bio-related and Agricultural
c. Medical d. Environmental
e. Production, which includes manufacturing and construction
f. Transportation
g. Energy and Power
h. Nanotechnology
Answers
Answer:
a. Information and Communication
Explanation:
The modern photographic camera evolved from the camera obscura. The functioning of the camera is very similar to the functioning of the human eye. The first permanent photograph was made in 1825 by Joseph Nicéphore Niépce.
If an astronaut is 66 kg, what is their weight in N on the moon?
Answers
The mass of the person would be 66 kg on both Earth and the Moon.
66
k
g
. His weight, however, is calculated using the formula:
=
w
=
m
g
So, weight, equal mass times the acceleration due to gravity. On the moon, acceleration due to gravity is 1.62/²
1.62
m
/
s
²
. If we plug these “givens” in, we get:
=(66)(1.62/²)
w
=
(
66
k
g
)
(
1.62
m
/
s
²
)
Therefore, weight equals 106.92
106.92
N
e
w
t
o
n
s
(the unit of weight)
calculate the weight of a lunch box if its mass is 1.2kg.?
Answers
Answer: 0.12
Explanation: Mass is the amount of matter in a substance. Weight is the amount of gravity acting on the substance.
Answer:
0.12
Explanation:
PLEASE HELP IMMEDIATELY
1. Based on the context, what does "Jovian" refer to?
2. Before Roemer calculated the speed of light, how fast was the speed of light thought to be?
3. What was the problem with Galileo's experiment to measure the speed of light?
4. Roemer's calculations were not completely correct. Did he calculate too high or too low for the speed of light?
Answers
And for the third one, Galilio’s problem was that light was very fast to be measured by using his way.
And for the last one I think it was to low
What type of circuit is this in the picture? (Lesson 4.07)
A: Parallel
B: Open
C: Ac
D: Series
Answers
Answer: hope this helps ♡
A: Parallel
Explanation:
It's a parallel circuit because it has two or more paths for the electricity to flow through (the paths are parallel).
Answer:
A
Explanation:
A couple wants to build a holiday cottage, the cottage is not connected to an electricity grid, but the cottage is next to a small river. The river is always flowing and never dries up, the weather is often windy.
Which one should they get to receive energy.
a wind turbine
solar cells
Answers
Answer:
Wind turbine since the place is often windy
Vector A→ has a magnitude of 8 units and makes an angle of 45° with the positive x-axis. Vector B→ also has a magnitude of 8 units and is directed along the negative x-axis. Using graphical methods, find (a) the vector sum A→ + B→ and (b) the vector difference A→ - B→
Answers
Answer:A + B = 6,123 units at angle 112,5 degrees.
A - B = 14,782 units at angle 22,5 degrees.
Explanation:
Answer:A + B = 6,123 units at angle 112,5 degrees.
A - B = 14,782 units at angle 22,5 degrees.
Phycics math dah
Explanation:
identify two types of systems of government from the following description: columbia is located on the northern tip south america its government is centered in its largest city bogota which has the final say on all laws which are handed down to its thirty-two departments (states) the executive of columbia is chosen by a popular vote once every four years
Answers
Answer:
The Government of Colombia is a republic with separation of powers into executive, judicial and legislative branches. Its legislature has a congress, its judiciary has a supreme court, and its executive branch has a president. The Republic of Colombia is a unitary republic comprising 32 departments, and one capital district. Since Colombia adopts the representative, republican, and democratic form of government, it is governed by representatives of the people, who are elected through direct vote. As a Civil Law country, Colombia’s legal system is mainly based on codes and laws rather than jurisprudence. One of the main characteristics of civil law countries is that their legal system does not recognize the jurisprudence as part of their legal bodies, which means that court’s decisions are only binding for the parties involved rather than for everyone. Judicial decisions are applied case by case and serve as a reference for other judges. However, in Colombia, as well as in some other civil law countries, the high courts’ decisions have gained more power and their scope is not limited as it was previously. In certain occasions, especially in high profile cases where the matters are controversial, a court’s interpretation of the law is just as important as the written law itself. The Colombian National Constitution of 1991 states in Article 1 that “Colombia is a social state of law, organized in the form of a unitary, decentralized republic, with autonomy of its territorial entities, democratic, participatory and pluralist." This means that the central government has the power to make the most important political decisions. Colombia only has a legislative authority, which is responsible for making the laws for the entire territory. The country is divided in territorial entities called departments (equivalent to states in the U.S.) that are separated into districts and local municipalities. These entities do not have legislative or judicial authority. However, as the executive branch of Colombia is administratively decentralized, there are representatives in the departmental, district, and municipal department levels. The representatives in these three levels have certain limited powers that are independent from the central authority.
Hunter pushed a couch across the room. He did 800 J of work in 20 seconds.
The couch weighed 500 N. How much power did he have?
A. 16,000 W
B. 1.6W
C. 800 W
D. 40 W
Answers
Answer:
\(the \: answer \: for \: this \: question \: is \: d.40w\)
Explanation:
Greetings !Given values Work(W)= 800Jtime(t) = 20 secondWeight = 500Nrequired value power(P) = ?Solution:
Firstly, recall the work-power equation
work=power*timew=p*tsubstitute known values to the equation
(800)=P*(20)Solve, for P (power)
P=40.0wHunter had a power of 40 W while pushing the couch across the room. The correct answer is D. The correct answer is 40W.
Given:
Work (W) = 800 J
Time (t) = 20 seconds
Power is the rate at which work is done or the rate at which energy is transferred. It is calculated using the formula:
Power (P) = Work (W) ÷ Time (t)
Let's calculate the power:
Power (P) = 800 ÷ 20
Power (P) = 40 W
Therefore, Hunter had a power of 40 W while pushing the couch across the room. The correct answer is D.
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Which item produces the magnetic field in the electromagnet?
Answers
The magnet produces a magnetic field. Item A makes the magnetic field in the electromagnet.
Explanation:
Item A is called a magnet. It has a North pole and a South pole. The electrons move from the North to the south poles, creating a magnetic force.
This Magnetic field creates a magnetic field around a magnet.
Answer: D
Explanation: it is made of metal which attracts the magnetic force field
How does the agricultural activity most likely affect the surface water of the area?
Answers
Answer:
Agriculture has been the cause of significant modification of landscapes throughout the world. Tillage of land changes the infiltration and runoff characteristics of the land surface, which affects recharge to ground water, delivery of water and sediment to surface-water bodies, and evapotranspiration.
Explanation:
What two gases in the atmosphere do animals and plants need to breathe and grow?
Answers
Answer: Explanation:
Plants and animals each produce the gases that the other needs to live. Plants need carbon dioxide—people and other animals exhale carbon dioxide as a waste product. People and other animals need oxygen—plants produce oxygen during an important process called photosynthesis, which turns the sun's energy into nutrients.
If the ammeter is 07 mA and the resistor is 56 ohms what is the voltage ?
So it’s a drawing of a circuit with the ammeter which says 07mA and a resistor of 56 with the Symbol got it
It says if you measured the voltage across the resistor in the circuit, you’d expect it to read?
Answers
Answer:
V = 0.0392 volt
Explanation:
given that the
Current I = 0.7 mA
Resistance R = 56 Ohms
According to Ohm's law,
V = IR
Where V is the Voltage in the circuit.
Substitute I and R into the formula
V = 0.7 ×10^-3 × 56
V = 0.0392 volt
The ammeter can be use to read current in a circuit when it is connected to the device in which the resistors are connected in series.
While for the Voltmeter, the resistors are connected in parallel.
The work input = _____.
F i ÷ d i
F o ÷ d o
F o × d o
F i × d i
Answers
The work input = Fi × di
How to solve for work input?To solve for work input, you need to know the force acting on an object and the distance it moves in the direction of the force. Work input is defined as the product of force and distance, given by the formula:
Work Input = Force × Distance × cosθ
Where θ is the angle between the force vector and the direction of motion. If the force is applied in the direction of motion, then θ = 0 and cosθ = 1, so the formula simplifies to:
Work Input = Force × Distance
For example, if you are pushing a box with a force of 50 newtons over a distance of 10 meters, the work input would be:
Work Input = 50 N × 10 m × cos(0°) = 500 Joules
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Answer: F i × d i
Explanation:
This is a science question
Answers
The air currents across the continents would determine the distribution of the air.
What are air currents?Air currents across the continents are primarily driven by temperature differences and the rotation of the Earth. The warm air near the equator rises and flows towards the poles, while the cooler air near the poles sinks and flows towards the equator.
This creates large-scale circulation patterns known as Hadley cells, Ferrell cells, and Polar cells. These cells are responsible for the trade winds, westerlies, and easterlies, respectively. Additionally, there are also local winds caused by differences in terrain, such as sea breezes and valley breezes.
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When some plants go dormant in the winter, what seasonal change do Florida animals experience?
A: Some animals hibernate.
B: Animals begin to store food.
C: Some animals also go dormant.
D: Animals store fat and gain weight.
Answers
A meteor falls toward Earth's surface. Given that the acceleration due to
gravity is 9.8 m/s^2, what is the meteor's potential energy if it has a mass of 10
kg at an altitude of 400 m?
O A. 408 J
O B. 7,840,000 J
O C. 2J
O D. 39,200 J
Answers
Answer:
39,200J
Explanation:
just took the test
The meteor's potential energy if it has a mass of 10kg at an altitude of 400 m will be 39200 J
What is potential energy ?Potential Energy that depend upon the relative position of various parts of system . It is an energy possessed by an object by virtue of its position or configuration.
mass(m) = 10kg
g (acceleration due to gravity) = 9.8m/s^2
altitude(height (h)) = 400m
Meteor's Potential energy = m * g * h
= 10 * 9.8 * 400 = 39200 J
correct option will be a) 39200 J
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Explore the intricacies and conceptual challenges of the Holographic Principle in the context of the AdS/CFT correspondence. Investigate the fundamental ideas behind the holographic duality proposed by Juan Maldacena, which suggests an equivalence between a higher-dimensional gravitational theory and a lower-dimensional quantum field theory. Analyze the mathematical foundations and implications of this principle, including the idea that all the information contained within a region of space can be encoded on its boundary. Assess the potential revolutionary impact of the Holographic Principle on our understanding of quantum gravity, black holes, and the nature of spacetime itself.
Answers
Answer:
The Holographic Principle, proposed by physicist Gerard 't Hooft and further developed by Juan Maldacena, is a fascinating concept in theoretical physics that has sparked significant interest and research. In the context of the AdS/CFT correspondence, it suggests that a gravitational theory in a higher-dimensional space can be mathematically equivalent to a quantum field theory in a lower-dimensional space.
At the heart of the Holographic Principle is the idea that the information and dynamics of a higher-dimensional theory can be fully captured by its boundary, implying that the entire bulk can be "holographically" encoded on the boundary. This concept challenges our conventional understanding of the relationship between space, gravity, and quantum mechanics.
The holographic duality proposed by Maldacena specifically relates a gravitational theory in Anti-de Sitter space (AdS) with a conformal field theory (CFT) in one fewer dimension. In this correspondence, the gravitational theory describes a curved space-time with gravity, while the CFT is a quantum field theory without gravity but living on the boundary of the AdS space. The holographic duality suggests that the two theories are mathematically equivalent and provide equivalent descriptions of the same physical phenomena.
The mathematical foundations of the AdS/CFT correspondence involve advanced concepts from string theory and quantum field theory. String theory postulates that fundamental particles are not point-like entities but rather tiny vibrating strings. By considering these strings propagating in a higher-dimensional space, theorists discovered that they naturally give rise to gravity. The holographic duality emerged as a surprising consequence of studying string theory in the AdS space.
The implications of the Holographic Principle are profound. First and foremost, it suggests a deep connection between gravity and quantum mechanics, two fundamental pillars of modern physics that have been notoriously difficult to reconcile. The holographic duality provides a framework to study strongly interacting quantum systems in terms of gravity, enabling insights into the nature of black holes, the behavior of matter in extreme conditions, and other phenomena that are challenging to analyze using traditional methods.
The Holographic Principle also has potential implications for our understanding of black holes. It proposes that the information that falls into a black hole is not destroyed, as suggested by the Hawking radiation phenomenon, but rather encoded on its event horizon. This idea, known as the "holographic encoding of information," has stirred intense debates and ongoing research in the field of black hole information paradox.
Furthermore, the Holographic Principle challenges our traditional notions of spacetime. It suggests that spacetime, as we perceive it, might emerge as an approximation or an emergent property from a more fundamental description involving quantum information. This notion aligns with the concept of "entanglement entropy," which measures the entanglement between quantum states and has been linked to the geometry of spacetime.
The potential revolutionary impact of the Holographic Principle lies in its potential to provide a unified framework for understanding quantum gravity and resolving long-standing mysteries in theoretical physics. It opens new avenues for studying the nature of black holes, the behavior of matter in extreme conditions, and the fundamental structure of the universe. However, it is important to note that the Holographic Principle is still an area of active research, and many aspects of its implications and applications continue to be explored and refined by physicists.
Give an example of a positive slope
Answers
Answer:
uu yt? gcc5feesserhujnggbgxf
Explanation:
c
What causes a sound wave to travel?
A
An object vibrates, and those vibrations carry air in all directions as transverse waves.
B
An object vibrates, and those vibrations carry air in all directions as longitudinal waves.
Answered Incorrectly
C
An object vibrates, and those vibrations travel through air in one direction as a transverse wave.
D
An object vibrates, and those vibrations travel through air in one direction as longitudinal waves.
I choose B. but B. was incorrect so what is the answer?
Answers
Answer:
a
Explanation:
transverse waves are emitted by a vibrating object in all directions, which is why if you stand around a speaker or other thing that makes noise, say someone tapping on their desk, with others, you can all hear it.
WHERE have you seen genetic engineering in your own life (think about foods, animals, and/or medicine)?
Answers
Now WHERE have we seen it? When you go grocery shopping, some products have a over saying NON GMO or GMO FREE or they might as well just state that it’s a GMO product.
Your friend says that when someone drives a car, they use up energy. You know that this isn’t quite true. Develop an argument against your friend’s claim that uses scientific evidence. Be sure to include the vocabulary: energy transformation, Law of Conservation of Energy.
Answers
Answer:
Only about 12%–30% of the energy from the fuel you put in a conventional vehicle is used to move it down the road, depending on the drive cycle.
Explanation:
can you please help me
Answers
Answer: Truck escape ramps are used as a traffic tool on steep, sustained grades to check high vehicle speeds in emergencies. The ramps use a combination of momentum-halting media like gravel or sand and an incline to bring runaway vehicles to a halt.
Explanation:
Therefore, the answer is 3.