Lasers can be used in
in place of a knife.
Answers
Answer: No
Explanation:
Laser can cut many things,
its cutting is so popular largely because of its versatility. Laser cutterscan cut a wide variety of materials – anything from paper, wood, cork, acrylic and foam to different types of metals. Still, there are some materials that would seemingly fit well into this list but should never be cut using a laser cutter.
Related Questions
A scientist observes a galaxy through his telescope. He knows he's observing a galaxy, but can't make out its shape. However, he notices that the galaxy appears red. What type of galaxy is he observing?
Answers
What is the difference between friction, conduction, and induction?
Answers
Answer:
Friction, conduction, and induction are all physical phenomena that involve the transfer of energy from one object to another.
Friction is the force that opposes the motion of two objects that are in contact with each other. It is caused by the irregular shape and roughness of the surfaces of the objects, and it results in a loss of energy.
Conduction is the transfer of heat energy through a material from one molecule to another. It occurs when molecules in a material vibrate and collide with one another, and the energy is transferred from the hotter molecules to the cooler ones.
Induction is the process by which an electrical current is generated in a conductor when it is exposed to a changing magnetic field. It is based on the principle of electromagnetic induction, which states that a magnetic field can induce an electric current in a conductor.
Friction is the transfer of heat between two surfaces that are in contact with each other. When you rub your hands together, the friction between them creates heat.
Conduction is the transfer of heat through a material. When you put a metal spoon in a hot cup of tea, the heat from the tea is conducted through the spoon to your hand.
Induction is the transfer of heat through a magnetic field. This is a bit more complex, but it's how things like electric stovetops work.
how do you ensure electrical safetyat home
make a poster
Answers
Ground Fault Circuit Interrupters (GFCIs): Install GFCIs in areas where water is present, such as kitchens, bathrooms, laundry rooms, and outdoor outlets. GFCIs detect imbalances in electrical currents and quickly cut off power to prevent electric shocks.
Arc Fault Circuit Interrupters (AFCIs): Use AFCIs to protect against arc faults, which can cause electrical fires. AFCIs detect dangerous electrical arcs and shut off power to prevent potential fires.
Electrical Overload Prevention: Avoid overloading electrical outlets by using power strips with built-in circuit breakers. Spread out high-wattage appliances across multiple outlets rather than using adapters or extension cords.
Proper Cord Usage: Inspect electrical cords regularly for damage, fraying, or loose connections. Replace damaged cords immediately. Avoid running cords under carpets or rugs, and don't pinch them behind furniture or doors.
Outlet Safety: Install tamper-resistant outlets to protect children from accidental electrical shocks. Cover unused outlets with safety caps or plugs.
Light Bulb Safety: Use the correct wattage light bulbs for fixtures to prevent overheating. Always turn off the power before changing light bulbs.
Electrical Appliance Safety: Unplug appliances when not in use and during electrical storms to protect them from power surges. Follow manufacturer's instructions for maintenance and usage.
Outdoor Safety: Use weatherproof electrical outlets and cover them with appropriate enclosures. Avoid using electrical tools or appliances in wet conditions unless they are specifically designed for outdoor use.
Education and Awareness: Educate your family members about electrical safety practices, such as not overloading outlets, avoiding water near electrical sources, and recognizing the signs of potential electrical hazards.
Regular Electrical Inspections: Schedule periodic inspections of your home's electrical system by a qualified electrician to identify any potential hazards or issues.
Ground Fault Circuit Interrupters (GFCIs): Install GFCIs in areas where water is present, such as kitchens, bathrooms, laundry rooms, and outdoor outlets. GFCIs detect imbalances in electrical currents and quickly cut off power to prevent electric shocks.
Arc Fault Circuit Interrupters (AFCIs): Use AFCIs to protect against arc faults, which can cause electrical fires. AFCIs detect dangerous electrical arcs and shut off power to prevent potential fires.
Electrical Overload Prevention: Avoid overloading electrical outlets by using power strips with built-in circuit breakers. Spread out high-wattage appliances across multiple outlets rather than using adapters or extension cords.
Proper Cord Usage: Inspect electrical cords regularly for damage, fraying, or loose connections. Replace damaged cords immediately. Avoid running cords under carpets or rugs, and don't pinch them behind furniture or doors.
Outlet Safety: Install tamper-resistant outlets to protect children from accidental electrical shocks. Cover unused outlets with safety caps or plugs.
Light Bulb Safety: Use the correct wattage light bulbs for fixtures to prevent overheating. Always turn off the power before changing light bulbs.
Electrical Appliance Safety: Unplug appliances when not in use and during electrical storms to protect them from power surges. Follow manufacturer's instructions for maintenance and usage.
Outdoor Safety: Use weatherproof electrical outlets and cover them with appropriate enclosures. Avoid using electrical tools or appliances in wet conditions unless they are specifically designed for outdoor use.
Education and Awareness: Educate your family members about electrical safety practices, such as not overloading outlets, avoiding water near electrical sources, and recognizing the signs of potential electrical hazards.
What is a star? What is our biggest and closest star?
(Btw i wasn't sure if this was Physics.)
Answers
Answer:
A star is an astronomical object consisting of a luminous spheroid of plasma held together by its own gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night, but due to their immense distance from Earth they appear as fixed points of light in the sky
Explanation:
Which band is the smallest within the electromagnetic spectrum?
A) x-rays
B) microwaves
C) radio waves
D) visible light
Answers
Answer:
c. radio waves
Explanation:
you cant see them
Can someone answer this question
Answers
Answer:
The correct answer is C
Explanation:
carbon dioxide, water vapor, and nitrogen make up the largest percentage of earth's atmosphere
Explanation:
Nitrogen is the most abundant gas on the atmosphere which fills 71% of the atmosphere and oxygen has 21% and it leaves 1% of the atmosphere. That is filled most by carbon dioxide and water vapor
How much is the mass of aluminum with a volume of 1 m3 less than the mass of lead of the same volume?
Answers
Answer: the masses:mA=mFe or ρA1VA1=ρFeVFethen use the volume of a sphere. By substitution. The answer is (2.70∗103kg/m37.86∗103kg/m3)(2.00cm)3=23.3cm3
Explanation: you must go from left to right when solving substitutuing the first side then dividing
hen catching a football, your fingers should shape a
a W
b M
c Triangle
d Open circle
PLEASE ANSWER ASAP
Answers
Answer:
c.triangle
Explanation:
this is because I played football in be and the teacher told up it should be a triangle
Select all the correct answers.
A moving ball hits a stationary ball. The moving ball stops, and the stationary ball starts moving. In terms of force, what’s happening during this event?
Force is transferred from the moving ball to the stationary ball.
The stationary ball exerts a force on the moving ball.
The moving ball exerts a force on the stationary ball.
The moving ball runs out of force when it hits the stationary ball.
Answers
A 1000 kg boulder sits at the top of a 50-meter high cliff. Determine the amount of potential energy possessed by the boulder if the acceleration due to gravity is 9.8 m/s2. The boulder has_______(magnitude/ number)_______(units) of Potential Energy.
Answers
2. 50,000
Hope this helps!
How did you figure that out? (think of FORMULA!)
Answers
Answer:
the most potential energy would be at the highest point and the least it's at the lowest point so let's say and rollercoaster when it's like moving up its gaining potential energy while it's going down it loses potential energy (sorry if u get it wrong)
How does the digestive system interact with the following organ systems (circulatory, muscular and nervous system) to maintain homeostasis?
Answers
Answer:
The circulatory system breaks down food and gets / absorbs nutrients. The muscular system works to get nutrients to the rest of the body. The nervous system basically controls the digestive system and sends information to the brain.
I'm pretty sure I'm right, but please correct me if I'm wrong! :)
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.
HaLp PlEsSsS
Write a paragraph of five sentences or more explaining how the radio uses the behavior and characteristics of the radio wave to function.
You must include citations for all reliable sources used. Include citations from three or more reliable sources.
Answers
Answer:
hey! answer below:
Paragraph:
The radio uses the behavior and characteristics of the radio wave to function because there is... I don't have the time to write a paragraph of five sentences or more explaining how the radio uses the behavior and characteristics of the radio wave to function. I am supposed to be doing math but instead, I am doing this. Please don't get mad! I have a 97 in ELA and a 104 in engineering, I hope you care. I just wanna get these points bro.
4. The Himalayan Mountains tower as high as 8,854 m above sea level. The rate of plate motion is about 10 cm per year. Use the diagram to explain how the Himalayas formed. Predict how they might look in 10 million years.
Answers
Answer:
Forty million years ago, the continent of India, which was being carried northward by the Indo-Australian plate, collided with Asia forming the Himalayan mountain range (fold mountains). Since the initial encounter, the subcontinent of India has moved 2,000 kilometers farther north at a rate of 5 centimeters a year, sliding beneath Asia as it moves. In 10 million years India will plow into Tibet a further 180km. This is about the width of Nepal.
Answer:Since the initial encounter, the subcontinent of India has moved 2,000 kilometers farther north at a rate of 5 centimeters a year, sliding beneath Asia as it moves. In 10 million years India will plow into Tibet a further 180km. This is about the width of Nepal.
Describe what happens to visible light when it hits a surface? What happens to light as it passes through a material?
Describe the relationship between wavelength, frequency, and energy in electromagnetic waves. Which waves are the most dangerous?
Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with “basking lights” which act as an artificial sun. Describe how the three methods of thermal energy transfer may take place within the iguana’s enclosure.
(ANSWER ALL QUESTIONS PLEASE!)
Answers
Answer:
1 question- Three different things happen when light hits a surface, it can be reflected (bounce off), absorbed or transmitted (pass through). Glass reflects some light but most of the light is transmitted straight through. That's why we can see objects on the other side of a closed window. We say that glass is transparent.
2 question- All materials have what is known as an index of refraction, which is linked to how fast light can travel through the material. As light passes through air and into another clear material (such as glass), it changes speed, and light is both reflected and refracted by the glass
3 question- The energy of a wave is directly proportional to its frequency, but inversely proportional to its wavelength. In other words, the greater the energy, the larger the frequency and the shorter (smaller) the wavelength
4 question- The most dangerous frequencies of electromagnetic energy are X-rays, gamma rays, ultraviolet light and microwaves. X-rays, gamma rays and UV light can damage living tissues, and microwaves can cook them
5 question- Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. Both conduction and convection require matter to transfer heat. Conduction is the transfer of heat between substances that are in direct contact with each other. Thermal energy is transferred from hot places to cold places by convection. Radiation is a method of heat transfer that does not rely upon any contact between the heat source and the heated object as is the case with conduction and convection. Heat can be transmitted through empty space by thermal radiation often called infrared radiation.
I hope this helps!
Answer: Three different things happen when light hits a surface, it can be reflected (bounce off), absorbed or transmitted (pass through). Glass reflects some light but most of the light is transmitted straight through. That's why we can see objects on the other side of a closed window. We say that glass is transparent. All materials have what is known as an index of refraction, which is linked to how fast light can travel through the material. As light passes through air and into another clear material (such as glass), it changes speed, and light is both reflected and refracted by the glass.
Explanation:
A tornado traveled east across the United States a distance of 600 meters in 6 minutes. What was the VELOCITY of the tornado?
A) 100 m/min east
B) 10 m/min east
C) 100 m/min
D) 360 m/min east
Answers
Answer:
A 100 meters per minute.
Explanation:
Just divide 600 by 6
OOF it is the same for both
Answers
Answer:
Chemically DNA
Explanation:
that s the answer.
Place the parts of the human circulatory system in order from highest to lowest degree of internal organization.
→ → →
Answers
Answer: The human circulatory system can be arranged from the highest to the lowest degree of internal organization as follows: Heart, Blood Vessels, Arteries, Veins, and Capillaries.
Explanation: The human circulatory system can be arranged from the highest to the lowest degree of internal organization as follows:
Heart: The heart is a vital organ responsible for pumping oxygenated blood to the body and deoxygenated blood to the lungs. It consists of chambers (atria and ventricles) and valves that regulate blood flow.
Blood Vessels: Blood vessels form a network of tubes that transport blood throughout the body. They can be classified into three types: arteries, veins, and capillaries.
Arteries: Arteries are thick-walled blood vessels that carry oxygenated blood away from the heart to various parts of the body.
Veins: Veins are blood vessels that transport deoxygenated blood from the body back to the heart. They have thinner walls compared to arteries and contain valves to prevent backflow.
Capillaries: Capillaries are tiny, thin-walled blood vessels that connect arteries and veins. They facilitate the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
Please note that this arrangement is based on the internal organization of the circulatory system, with consideration given to the hierarchical structure and function of each component.
To learn more about the human circulatory system,
https://brainly.com/question/13432634
Answer:
Cell, tissue, organ and organ system
Explanation:
The correct order from the lowest to the highest degree of internal organization is the following Cell, tissue, organ, and organ system then at last whole body. It is because the cells are produced in order to form the tissues in the body and in order for an organ to be produced tissues are essential and are formed and in order for a system.
Is horsepower the only thing to be considered when purchasing a piece of equipment?Explain.
Answers
Answer:
Mostly yes
Explanation:
But you should consider,brand value, material used and lasting of the equipment also
1HP=720WHP stands for horsepower
It's mostly used in pumps
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.
please someone help me? if you have a good answer I will gave U a brainlest :)
look at the foto and help me
if you can write at leat 2 it will help me so much :3
Answers
Answer:
for one its photo
Explanation: answers
this is easy 1. im not sure
2. erosion
3. is deposition
sorry i cant answer all of them but some simple ones deposition is when that stuff is getting moved, erosion is the breaking down of sokething and weathering is weather such as rain acid rain ice etc weather breeakin down rocks etc
Which effect is created when two sound waves that are close in pitch
interact?
O A. Echoes
O B. Loudness
C. Beats
O D. Intensity
Answers
Answer:
C. Beats
Explanation:
When waves are interfering with each other, the sound is louder in some places and softer in others. As a result, we hear pulses or beats in the sound.
Answer:
beats
Explanation:
got it right
Hi guys :) I am in desperate need of help. Thanks <3
Answers
Answer:
yes me to i think its A
Explanation:
How is energy from stars transferred to Earth?
State your answer as a claim. Support your claim with evidence from the article. Think about light waves, then explain why the evidence from the text supports your claim.
Answers
Answer:
Explanation:
There are basically three ways by which energy flows outward through a star. They are conduction, convection, and radiation. Stars generate energy through nuclear fusion.
Claim: Energy from stars is transferred to Earth through radiation, particularly in the form of visible light.
Evidence from the article: "The sun is a star, and it is the primary source of energy for Earth's climate system. Energy from the sun is transferred to Earth through radiation."
The article explains that the sun is the primary source of energy for Earth's climate system and that this energy is transferred to Earth through radiation. Specifically, the sun emits energy in the form of electromagnetic radiation, which includes visible light. This radiation travels through space and reaches Earth, where it is absorbed by the atmosphere, land, and oceans, and then converted into heat. Therefore, the evidence from the text supports the claim that energy from stars is transferred to Earth through radiation, particularly in the form of visible light.
How do factors such as ocean currents, water temperature, and weather affect you in your daily life?
Answers
Answer:One way that the world’s ocean affects weather and climate is by playing an important role in keeping our planet warm.
Explanation:The majority of radiation from the Sun is absorbed by the ocean, particularly in tropical waters around the equator, where the ocean acts like a massive, heat-retaining solar panel. Land areas also absorb some sunlight, and the atmosphere helps to retain heat that would otherwise quickly radiate into space after sunset.
The transfer of energy by electromagnetic
#A. Radiation
#B. Convection
#C. Conduction
#D. Thermal energy
Answers
Answer:
Explanation:its thermal energy.There are three methods of thermal energy transfer: conduction, convection, and radiation
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
learn more about Potential Energy :
https://brainly.com/question/14404024?referrer=searchResults
#SPJ3
How can you tell if science is supported? Or real?
Answers
Answer:
long answer so its below lol
Explanation:
You can tell if the science is "real" or supported based upon if there have been multiple experiments showing the same/smiliar answer, it has been proven by professionals, or if the science is published by professionals and such
Answer:
hold up ill see
Explanation:
dont know this tho
DUE TODAY PLEASE HELP.....WILL GIVE BRANIST!!!!!!!
Instructions: Create a comic strip detailing the adventure of your character as the character is exposed to thermal energy, causing it to undergo phase changes from a solid, to a liquid, to a gas. Place drawings inside the boxes and written content on the lines below each box.
Your presentation must include the following:
• title and introduction of your character, including what substance it is made of
• source of thermal energy your character encountered (conduction, convection, and/or radiation)
• detailed description and/or diagram of the particle transformation from solid to liquid phase
• detailed description and/or diagram of the particle transformation from liquid to gas phase
( do not use the ice cube story)