Answer:
Chemical
Nuclear
Geothermal
Explanation:
if you wanted to slow evaporation from a pot of coffee which of the following achieve this goal
Covering the coffee pot, lowering temperature, minimising surface area, utilising a thermal coffee pot, humidity control and limiting exposure prevent coffee evaporation and maintain flavour and warmth.
There are numerous ways to reduce coffee evaporation:
Evaporation can be reduced by covering the coffee pot. Water vapour molecules cannot escape via the lid. This prolongs the coffee's flavour and heat.
Lowering Temperature: Evaporation rates rise with temperature. Reduce coffee temperature to slow evaporation. For instance, you can put the coffee in an insulated container or let it cool down before serving. Be careful not to let it cool too much, as it may impair the taste.
Reduce Surface Area: Move the coffee to a container with less air exposure if possible. For instance, switching coffee from a pot with a large aperture to a thermal coffee pot with a narrower neck will reduce evaporation.
Use a Thermal Carafe: Thermal carafes keep hot beverages warm without direct heat. Heat loss and evaporation are reduced by their insulation.
Humidity Control: Evaporation rates depend on humidity. Dry air evaporates faster. By slowing evaporation, a humidifier may adjust indoor humidity.
Limit Exposure: Keep the coffee pot out of the air as much as possible. Return the pot to its covered position after pouring only what you need into your cup.
These strategies can reduce evaporation from a pot of coffee, maintaining its flavour and warmth for a better drinking experience.
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you make the following measurements of an object 42kg and 22m what would the objects density be. show your work
There is a close relationship between magnetic forces and the generation of electric current. Explain how magnets can be used to generate electric current and how electric current can be used to create electromagnets. For each, give an example of a device you would find around the home.
Answer:
If a magnet is continuously moved to and fro in a coil or vise versa , due to change in magnetic field passes through a coil , electric current can be produced, it called electromagnetic induction.
And if current flows in a coil , it will behave like a magnet , that is called Electromagnetism.
Explanation:
What is electromagnetic induction and Electromagnetism ?According to the Faraday's law , when magnetic field passing through a coil is changed , an electric potential is developed , that causes current , the phenomenon is called Electromagnetic induction.In it ,the induced emf (potential)is directly proportional to the rate of change of magnetic flux,[tex]e = N. \frac{(B.A)}{dt}[/tex] Example- Generator.According to the Clock wise rule , when current flows in a coil , according to the direction of current , its one face become N pole and S pole, thus it becomes a magnet or tiny magnet .Example- Solenoid.Hence Electromagnetic induction and electromagnetism can be defined.
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A rubber rod rubbed with fur acquires a charge of -4,8×10(-9)C. What is the charge on the fur? How much mass is transferred to rod?
Permafrost thaws only briefly in the summer. t o f brainliest
False... (Perma = Permanent = never thaws)
Ben walks 500 meters from his house to the corner store. He then walks back toward his house, but continues 200 meters past his house to talk to a neighbor. It takes Ben 17 minutes from the time he leaves his house until he stops to talk to his neighbor. What is Ben’s average velocity?
Answer:
0.196 m/s
Explanation:
Average displacement is defined as the total displacement covered to the total time taken.
Total displacement = 500 - 500 - 200 = - 200 m
Total time taken = 17 minutes = 17 x 60 = 1020 second
So, Average velocity = 200 / 1020 = 0.196 m/s (magnitude only)
Answer:
Talking Ben is lazy so he would have gotten to the corner store on a scooter because hes to fat of a dog and he probley felt lazy and tired after going the the store and he probley sat back on his big fat red chair and burped his head off.
During most of a cell’s life cycle, DNA is found in a mass of loose strands called?
What factors affect the frictional force between objects ?
Final answer:
The factors that affect the frictional force between objects include the roughness of the surfaces, adhesive forces between molecules, and the normal force pushing the objects together.
Explanation:
In physics, several factors affect the frictional force between objects. One factor is the roughness of the surfaces in contact. If the surfaces have more irregularities or peaks, more force is required to set the object in motion and maintain its motion. Another factor is the attractive forces between molecules making up the two objects. These adhesive forces depend on the substances the surfaces are made of, which explains why rubber-soled shoes slip less than those with leather soles. Finally, the normal force pushing the systems together also affects friction. Friction is proportional to the normal force.
If light intensity obeyed an inverse square law you would expect to find the intensity of light to decrease as the square of the distance increases
A) true
B) false
How do electrons behave in a good insulator?
A small 22 kilogram canoe is floating downriver at a speed of 2 m/s. What is the canoe's kinetic energy
A piano tuner strikes a tuning fork at the same time he strikes a piano key with a note of a similar pitch. If he hears 3 beats per second, and the tuning fork produces a standard 440 Hz tone. Then what was the frequency produced by the struck piano string? a 434Hz or 446Hz b 437 Hz c 437Hz or 443 Hz d 443 Hz
What is the composition of Level C in a soil profile
A. Topsoil mixed with inorganic material.
B. Clay and slit mixed with sand
C. Decayed organic material.
D. Weathered rock fragments
The correct choice is
D. Weathered rock fragments
what is a homogenous mixture
Which of the following best illustrates a use of friction in the transportation industry? A. When a passenger jet burns fuel and shoots exhaust out its back end, the jet responds by moving forward. B. When a locomotive's brakes are applied to train tracks, the force between the brakes and the tracks causes the locomotive to slow down. C. When a ship is launched out to sea, the downward force of the ship onto the water is balanced by the water's upward force onto the ship. D. When a driver applies a force to a car's accelerator pedal, the car responds by traveling at a faster speed.
Answer:
b
Explanation:
What is the total amount of energy required to melt 100 grams of ice at 0DC to liquid water at 0DC?
Answer: 301 kJ of energy
Explanation:
How is the ideal mechanical advantage of a wheel and axle calculated?
Divide the radius of the wheel by the radius of the axle
The distance between one point on a compression and the corresponding point on the next compression in a sound wave is called a
This law states that oppositely charged objects will exert an attractive force on each other while two objects that have like charges will repel each other. The attractive force varies with the size of the charges as well as the distance between them.
Answer:
Its Law of attraction
Explanation:
According to the electromagnetic spectrum, Gamma rays have the slowest wave length. Therefore, Gamma rays have _______frequency.
A). a random
B). the lowest
C). the highest
D). an undetermined
Answer:
A. the highest
what the maximum age human have?
depends how healthy u r, so if u r an average person with average health, then prob between the ages of 70 to 90
Which does not describe a physical change happening to water?
A physical change in water does not include breaking chemical bonds to form new substances. Therefore, the correct answer is the option that describes a chemical change, such as water reacting with another substance to form a different compound. For instance, water does not undergo a physical change when it reacts with sulfur dioxide to form sulfuric acid; this is a chemical change.
Physical changes are changes in the state or phase of a substance that do not involve altering the chemical composition. Examples of physical changes in water include melting (solid to liquid), freezing (liquid to solid), evaporation (liquid to gas), condensation (change from gas to liquid), and sublimation (solid to gas without becoming liquid). A charged atom is known as an ion. The term used to describe the mineral content of water is hardness. The gas that forms sulfuric acid when it reacts with water is sulfur dioxide. These concepts are fundamental in understanding the physical and chemical properties of substances, especially water, which is vital in chemistry and environmental science.
According to the "Future Potential Source #2: Wind" article, what natural resource does wind power free up
How does changing the lengthy but not the height of an inclined plane affect the work done to lift a load? PLZ HELP ME NOW'
Answer: Work Done would remain same.
Let us assume that the velocity is constant while taking the load up the inclined plane. Then, the kinetic energy would remain the same. This is because kinetic energy is dependent on velocity [tex](K.E.=\frac{1}{2}mv^2)[/tex]. If that is constant, the kinetic energy would remain same. The potential energy is dependent on the height[tex](P.E.=mgh)[/tex]. If the height is changed, then potential energy varies. In the question, it is mentioned that without changing the height, the length of the inclined plane is changed. Therefore, the potential energy would be same as before.
We know, work done is equal to potential energy plus kinetic energy. Since there is no change in any of these, the required work done would not change.
Which statement about energy generated from wind is true?
A. Wind is free "fuel," and government taxes on its use are lower than those on fossil fuel are
B. Wind power is abundant everywhere, and battery storage of excess power is inexpensive.
C. Wind power uses more water than coal power plants, but it is a far safer power source for wildlife.
D. Wind power gives off no greenhouse gases, but some people feel it spoils the view of the landscape.
The true statement about wind energy is "wind power gives off no greenhouse gases, but some people feel it spoils the view of the landscape".
Renewable energiesRenewable energies are energy sources that do not emit carbon dioxide or other greenhouse gases. They help in lowering carbon foot-print, since they do not emit carbon dioxide gases.
Examples of renewable energiesWind energySolar energyHydro-electric energy, etcThus, the true statement about wind energy is "wind power gives off no greenhouse gases, but some people feel it spoils the view of the landscape".
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25 POINTS
I need a DETAILED ANSWER explaining WHY you wrote it please!!
When you go to the movies, a strong light shines through the film and then through one or more lenses. The image you see on the screen is much larger than the one on the film.
What kind of image are you looking at on the movie screen?
Answer:
Explanation:
The real image is always inverted and can be obtained on a screen in this mode.
On the cinema screen, it now appears normal to our eyes.
Condensed light from the condenser goes through the film forming rays which are then passed through a series of lenses which spread them out and focus them on the screen.
The real image is what now shows on the screen.
Visible light is a range of _____ energy EM waves in the electromagnetic spectrum that the human eye can see. A. zero B. high C. low D. medium
The visible light falls into the measure of low energy range in the electromagnetic spectrum.
Answer: Option C
Explanation:
The visible light is one of the 7 kind of electromagnetic spectrum that we know. Of those 7 kind, the visible light falls in between of the electromagnetic spectrum according to the wavelength of the light.
The visible light consists of VIBGYOR where the red has the 1.8 eV of the energy with violet to have around 3.4 eV. Therefore the correct answer is low.
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Koala bears can eat only certain kind of Australian eucalyptus leaves.koalas are considered
Answer:
a specialized species
Explanation:
An ion is created when __________ are added or removed.