The load across a 120-V power supply consists of three resistances are R1 = 10 Ω, R2 = 30 Ω, and R3 is unknown. If R2 has a difference of potential of 45 V across it, find the other voltage drops across the other resistors, the current through each resistor, and R3.

40g remains after an hour.

Answer : This is an example of Kenitic and potential energy

Explanation:

kenitic: the act of moving or motion

potential: not. moving YET

he was not moving when he was on the plane and had potential energy cause he wasn't getting pulled down and kenitic energy was when he was getting pulled down from force of gravity when he was getting pulled to the ground when he was skydiving

Answer:

A. lord kelvin

Explanation:

In 1848, Kelvin used this as a basis for an absolute temperature scale. He defined "absolute" as the temperature at which molecules would stop moving, or "infinite cold." From absolute zero, he used the same unit as Celsius to determine the increments.

Absolute zero cannot technically be achieved. However, scientists have been able to lower the temperature of matter to just a fraction of a Kelvin above absolute zero through techniques such slowing down particles using lasers.

Answer: false

Explanation:

The faster an object is going, the more resistance there will be. An example of this would be if you're running the faster you run, the more air is going against you.

I hope this helps!

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.

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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.

Answer:

Draw an underwater maps of the things

Explanation:

Just follow the instructions and draw  a picture that doesn't include water, life ect.

Answer: Room temperature

Explanation: it makes sense (sorry if its wrong)

Euglena, amoeba, paramecium, and volvox are all protists, which are a diverse group of single-celled organisms. All four protists are unicellular and can be found in aquatic environments. One similarity between these protists is that they all have the ability to move, whether it be through cilia, flagella, or pseudopodia. However, there are also differences between these protists. Euglena has both chloroplasts and a flagellum, which allows it to carry out photosynthesis and move through water. Amoeba, on the other hand, moves through the use of pseudopodia and can change its shape. Paramecium is a ciliate and uses its cilia to move and capture food. Volvox is a colonial organism, made up of many individual cells that work together to move and reproduce. Overall, these four protists have different characteristics and abilities, but all are considered protists and share certain similarities.

Answer the larger ball will reach late.

Explanation:the smaller ball will reach before because it's density is low because of its small size and the small ball will reach before because it's lighter

Answer: A half court shot

Explanation: A half court shot is when you go the the half of a court a shoot a basketball into the hoop.

A box camera is a simple type of camera, the most common form being a cardboard or plastic box with a lens in one end and film at the other. They were sold in large numbers during the late 19th and early 20th centuries. The lenses are often single element designs meniscus fixed focus lens, or in better quality box cameras a doublet lens with minimal (if any) possible adjustments to the aperture or shutter speeds. Because of the inability to adjust focus, the small lens aperture and the low sensitivity of the sensitive materials available, these cameras work best in brightly lit day-lit scenes when the subject is within the hyperfocal distance for the lens and of subjects that move little during the exposure. Eventually, box cameras with photographic flash, shutter and aperture adjustment were introduced, allowing indoor photos.

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3) Uses of pin hole camera?                                
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Mark BRAINLIEST

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Answer:

a simple box-shaped hand camera, typically lacking an adjustment for shutter speed.

Yes, I noticed that a magnet could be used to move the paper clip without touching it.

It is  similar to the floating plant because both processes involve a force acting on an object without having a direct physical contact.

The force acting on the paper clip is described as the magnetic force,

The claim can be made that magnets could  move an object  without physical contact by using the magnetic force to exert a force on the object.

A magnetic field is described as a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.

In this case , the magnetic force arose due to the interaction between the magnetic fields of the magnet and the paper clip.

The magnet has a magnetic field around it, which exerts a force on any nearby magnetic material, such as the paper clip.

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Answer:

Yes, I noticed that a magnet could be used to move the paper clip without touching it.

It is  similar to the floating plant because both processes involve a force acting on an object without having a direct physical contact.

The force acting on the paper clip is described as the magnetic force,

The claim can be made that magnets could  move an object  without physical contact by using the magnetic force to exert a force on the object

Explanation:

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

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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Answer:

Well according to volleyball rules, if the ball hits the out of bounce line, its considered in.

Compared to wave A, wave B has a longer wavelength and lower frequency

Wavelength: It is the distance between two consecutive crusts or troughs.

Frequency: It is the number of waves that pass a given point in one unit of time

Wavelength and frequency are inversely proportional, i.e. a wave with a shorter wavelength will have a higher frequency while a wave with a longer wavelength will have a lower frequency.

From the image, we can see that in wave B the distance between two consecutive crests or troughs is longer than that of wave A. This means that it has a longer wavelength and since wavelength and frequency are inversely proportional, it means that wave B has a lower frequency.

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Answer:

a b d c

Explanation:

Answer:

BY adding more energy

Explanation:

Because by adding energy  it will cause the string/sound to vibrate more which can cause more air particles to more and longer making the sound louder.

Answer:

Explanation: COMPOST BIN

WHAT IS A COMPOST BIN?

A compost bin is a container into which you place organic waste to turn into compost (organic material) over time.

Most compost bins are designed to hasten the decomposition of organic matter through proper aeration and moisture retention. With the proper combination of air and moisture, ideal conditions are produced for the activity of aerobic organisms responsible for the high temperatures that transform the organic materials into compost

Read on to find out how to start a compost bin, DIY compost bin ideas, and more tips for beginners.

The decomposition process will eventually take place over time in a compost "pile" or "heap," even without any housing to contain the matter. However, a compost bin is worth it because it helps speed up decomposition and keeps the area neat. Some bins are continuous, meaning you can keep adding waste to them, while others create batches of compost with a set mix of ingredients you add all at once. Depending on the style of compost bin you choose, bins can also have the advantage of making it harder for rats to get at your compost. This is true of the tumbler type, for example.

CHOOSING THE RIGHT BIN

Select the right bin for your composting needs. You can make an inexpensive compost container out of almost any container or material. Some ideas include:

Plastic storage container

Plastic bucket

Trash cans

Straw bales

Lumber

Branches harvested from the woods

Stone

Cinder blocks

Wire fencing

Ceramic (also popular for a kitchen countertop compost bin)

The best bin, however, is one you can easily turn or rotate consistently to control odors and make sure all the materials decompose. This is especially important for aerobic composting (more information below). A tumbler composting bin is pricey, but you can DIY one from barrels and sawhorses. You can turn compost with a rake or shovel in a non-rotating bin, it just takes more labor to do so.

Pls, mark as brainlist

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.

In each step of the archery process, Allie demonstrates different forms of energy.

Throughout the process, the kinds of energy involved change. Initially, Allie deals with potential energy in the arrow and the bowstring. Then, she converts her muscular energy into elastic potential energy when pulling back the bowstring. Upon release, the elastic potential energy transforms into kinetic energy in the arrow. Finally, during flight, the arrow primarily exhibits kinetic energy.

While placing the arrow into the bowstring, Allie is mainly dealing with potential energy. The arrow possesses potential energy due to its position relative to the ground. When Allie is Pulling back the bowstring,  she exerts force, converting her muscular energy into elastic potential energy. The potential energy in the stretched bowstring increases as she pulls it farther back.

Allie releases the arrow, hence the stored elastic potential energy in the bowstring is rapidly converted into kinetic energy. The arrow gains kinetic energy, which is the energy associated with its motion.

To better understand the kinds of energy demonstrated in each step of the process, and how they changed:

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Answer:

(i did number 1) James Watt was a Scottish inventor, mechanical engineer, and chemist who improved on Thomas Newcomen's 1712 Newcomen steam engine. In 1762, he began studying steam engines. With his knowledge, in 1763, he repaired a "Newcomen" engine owned by the university. However, while repairing it, he was impressed by its waste of steam, and came upon a solution, the separate condenser. It was his first invention, and he created it in 1769. In 1765, he produced his first working model of the 'Watt' engine (with separate chambers for piston and steam). (i rly hope this helps no need to mark branliest if it doesnt)

Explanation:

Answer:

The estimated braking force needed to stop the lorry is zero, based on the given information and calculations. However, it's important to note that this result is likely not accurate, as some force is required to stop a moving object. It's possible that additional information or calculations are needed to obtain a more realistic estimate of the braking force.

Explanation:

To estimate the braking force needed to stop the lorry, we can use Newton's second law of motion, which states that force (F) is equal to mass (m) multiplied by acceleration (a).

In this case, the lorry decelerates uniformly, so the acceleration is constant. The initial velocity is assumed to be zero since the lorry comes to a stop. The final velocity is also zero. Therefore, we can use the equation:

Final velocity squared (vf^2) = Initial velocity squared (vi^2) + 2 * acceleration (a) * distance (d)

Since vi = 0 and vf = 0, the equation simplifies to:

0 = 0 + 2 * a * d

Solving for acceleration (a), we have:

2 * a * d = 0

a = 0

Since the acceleration is zero, it means that the braking force needed to stop the lorry is also zero. This is likely not an accurate result as some force is required to stop the lorry. It's possible that additional information or calculations are needed to accurately estimate the braking force.

The braking force required to stop a 6371 kg lorry after spotting a hazard and applying the brakes is what the question is asking for. The lorry decelerates uniformly and comes to a stop 60 meters after the brakes are applied.

The following steps will guide you on how to calculate the braking force:

Step 1: Determine the mass of the lorry which is 6371 kg. This will be denoted as m.

Step 2: Determine the distance travelled by the lorry, which is 60 m.

Step 3: Determine the time taken by the lorry to stop. This can be done by using the formula for uniform deceleration, which is a = (v-u)/t where v is the final velocity, u is the initial velocity and a is the uniform deceleration. Since the lorry comes to a stop, its final velocity is zero and its initial velocity is unknown.

However, we can assume that the lorry was initially travelling at a constant speed before spotting the hazard. Therefore, we can assume that the initial velocity was equal to the average velocity of the lorry before the brakes were applied.

This can be calculated using the formula v = d/t where d is the distance travelled and t is the time taken. The average velocity can therefore be calculated as follows: v = d/t = 60 m/t

Step 4: Rearrange the formula for uniform deceleration, a = (v-u)/t, to find u which is the initial velocity. Since the lorry comes to a stop, we know that v = 0.

Therefore: u = v - at where a is the uniform deceleration and t is the time taken to stop which is also equal to the time taken for the lorry to travel the distance of 60 meters. Substituting for v, we get: u = - at

Step 5: Calculate the acceleration of the lorry using the formula a = (v-u)/t. Since the final velocity is zero, we get: a = -u/t = -(-at)/t = a The acceleration is negative since the lorry is decelerating.

Step 6: Calculate the braking force using the formula F = ma where F is the braking force and m is the mass of the lorry. Therefore: F = ma = (-ma) since a is negative = (-6371 kg) (a) Therefore, the braking force required to stop the lorry is -6371a N where a is the uniform deceleration calculated in Step 5.

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Answer:

Crust, Mantle, Outer Core, Inner Core

I hope this helped! :))