A mirror works on the principle of
and a lens works on the principle of​

One component of my school's recycling system that could be automated is the sorting of recyclables. Currently, the school relies on students and staff to sort recyclables into the appropriate bins, which can be time-consuming and may result in contamination if materials are not sorted properly.

Automating the sorting process with a machine or conveyor belt system could improve the efficiency and accuracy of the recycling system. It could also potentially reduce labor costs associated with manual sorting.

The economic impact of automating the sorting process would depend on the initial cost of the equipment and any associated installation or maintenance costs. However, over time, the improved efficiency and accuracy of the system could result in cost savings for the school. Additionally, the increased efficiency of the system could potentially lead to increased recycling rates, which could result in cost savings for waste disposal and potentially generate revenue through the sale of recycled materials.

Answer:

Our school has color coded virtual trash cans. For example, a trash can for only paper will only accept paper items, if the item put inside is not paper, it will litter it out and all students have cleaning duties throughout the week so even if you or someone litters you’ll probably have to clean it up at some point anyways. I honestly think it’s very cool. (i wish this was true smh).

Answer:

the reaction force is the arrows push  against the bow sting

Explanation:

the two objects must react the same , bowstring and arrow.

Answer:

the reaction force is the arrows push  against the bow sting

the two objects must react the same , bowstring and arrow.

Answer:

One household appliance that works on the basis of electric current is a washing machine. It works by first drawing in water from the water supply, and then pumping it into the drum where the clothes are added. The washing machine then agitates the clothes with a rotating inner drum, which is powered by an electric motor. The motor is powered by electric current, which is supplied by the electrical outlet. As the drum rotates, the electric current causes the motor to turn, which in turn agitates the clothes. The effects of the electric current are seen in the form of heat generated by the motor, and a buzzing noise during operation.

The group which was designed to study Saturn is C. Voyager 1, Huygens, and Cassini. It was a collaborative mission involving NASA, ASI, and ESA.

The trio of Voyager 1, Huygens, and Cassini embarked on groundbreaking missions, collectively enhancing our understanding of Saturn and its diverse moons. Launched by NASA in 1977, Voyager 1 ventured into the outer solar system, conducting close flybys of Jupiter and Saturn, capturing detailed imagery and valuable scientific data.

Huygens, a constituent of the collaborative Cassini-Huygens mission involving NASA, ESA, and ASI, made a historic touchdown on Saturn's moon Titan in 2005. It meticulously examined Titan's atmosphere and surface, yielding unprecedented insights.

Meanwhile, the Cassini spacecraft, another integral part of the Cassini-Huygens mission, meticulously orbited Saturn for more than 13 years. Cassini extensively studied Saturn's rings, atmosphere, and numerous moons, unraveling captivating discoveries such as new moons and tempestuous storms.

The Cassini mission culminated with a planned atmospheric entry into Saturn. These missions collectively revolutionized our knowledge of Saturn, its enigmatic rings, and its captivating moons.

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Here are three simple machines that are commonly used in backyards:

Wheelbarrow - This is a type of lever. The wheel and axle allow for easier transportation of heavy items.

Shovel - This is a type of inclined plane. The flat, angled blade allows for easier digging and lifting of soil or other materials.

Garden shears - This is a type of lever. The handles act as levers to increase the force applied to the blades for easier cutting of branches and other materials.

Answer:

two glass marbles bounce off of each other

in an elastic colission (or perfectly elastic) the 2 objects that collide usually bounce off of each other

kinetic energy before = kinetic energy after

Answer:c

Explanation: i am on study island and had that

Answer:

The velocity of the baseball, rounded to the nearest hundredth, is 0.82 m/s.

Explanation:

We will use equation of motion:

\(h=ut+\frac{1}{2}gt^2\)

h is the initial height

u = 0 = Initial vertical velocity

\(g = 9.8 m/s^2\) = Acceleration of gravity

t = Time

We are given that A baseball is launched horizontally from a height of 1.8 m.

So, Substitute h = 1.8 m

\(1.8=(0)t+\frac{1}{2}(9.8) t^2\\3.6=(9.8) t^2\\\frac{3.6}{9.8}=t^2\\\sqrt{\frac{3.6}{9.8}}=t\\0.61=t\)

We are given that The baseball travels 0.5 m before hitting the ground.

Now Distance = 0.5 m

Time = 0.61 sec

To Find Speed

\(Speed = \frac{Distance}{Time}\\Speed = \frac{0.5}{0.61}\\Speed=0.819\)

So, Speed = 0.82 m/s

Hence The velocity of the baseball, rounded to the nearest hundredth, is 0.82 m/s.

Answer:

0.82

Explanation:

Answer:

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

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:

Parallel circuits because, electrons continue to flow in a parallel circuit even if part of the circuit is broken

Answer: Option (C) is correct, Telegraph

Explanation: Hope it helps!

Good luck!!!

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

The total amount you'll end up paying is $8,119.78, which is more than the amount you're borrowing. This is because the interest on the loan adds up over time.

They are offering you a loan of $7,000 with an interest rate of 6.5%. The loan term is 48 months, which means you have four years to repay the loan.

Based on these terms, your monthly payments will be $170.41.

However, the total amount you'll end up paying is $8,119.78, which is more than the amount you're borrowing. This is because the interest on the loan adds up over time.

To put it simply, the dealership is lending you $7,000, but they are also charging you 6.5% interest on the amount you borrow. This means that for every month you keep the loan, you'll pay some interest, which adds up over time. By the end of the 48-month loan term, you'll have paid back the $7,000 you borrowed, plus the additional $1,119.78 in interest.

So, before you decide to accept the loan offer, it's important to understand the total cost of the loan and whether the monthly payments fit into your budget. You may also want to shop around and compare loan offers from different lenders to find the best deal for you.

Therefore, you'll have paid back the $7,000 you borrowed, plus the additional $1,119.78 in interest. which is greater than the borrowed.

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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.

Answer:

Arizona.

Explanation:

Petrified Forest National Park is an American national park in Navajo and Apache counties in northeastern Arizona. Named for its large deposits of petrified wood, the park covers about 346 square miles (900 square kilometers), encompassing semi-desert shrub steppe as well as highly eroded and colorful badlands.

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: D

Explanation: Its a type of white blood cell that moves by amoeboid

Answer:

The inner core is a hot, dense ball of (mostly) iron. It has a radius of about 1,220 kilometers (758 miles). Temperature in the inner core is about 5,200° Celsius (9,392° Fahrenheit). The pressure is nearly 3.6 million atmosphere (atm)

Answer:

, if we see we are considering this initial mass of this in this particular case, the initial mass of substantiated- or we can say, mercury oxide heated, it is, we can say, 27 grains. So this is the initial mass which is heated here. It is like this and what we can say we can consider this consent, passion of mass, so consummation of mass. We are looking here, the log, the conservation of the mass, so conservation of mass state at mass. It is always converted, but if it's not the case, we can also modify it it through mass and energy. They are combined converted or we can say, mass energy equivalence here so mass. It is confirmed in this case, so we can say, but here it is said that initially mass was 27 gram and finally mass was 25 gram. So but as we know, mass it is conserved mass, it is always conserved, so if the mass it is conserved, we should say this thing that the lost in the 2 gram weight must be due to the evaporation or we can say formation of the gases which Have been escaped, that is why it cannot be recorded, so we can say 2 gramos in the mass to the escape of the gas, or we can say evaporation. So.

Answer:

Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission. Electromagnetic waves travel in a vacuum whereas mechanical waves do not. While an electromagnetic wave is called just a disturbance, a mechanical wave is considered a periodic disturbance.

Explanation:

sorry if wronggggggggggggggggggg

Answer:

A) 9.8m/s this answer is correct.

The acceleration is increasing by 0.9m/s^2 .

so, in each second it will increase by 0.9m/s^2.

Therefore, in 2 second

0.9 * 2

= 1.8m/s

Now,

8 + 1.8

= 9.8m/s

Answer's C

Explanation: The matter that surrounding this whole planet or time and frequencies the motion and forces that people can't determine unless made a hypothesis

Answer:

The answer is D. becomes more common in the population

Explanation:

Archimedes'  principle states an object submerged in liquid experiences an upthrust equal to the weight of the displaced liquid.

As per the Archimedes' principle, "A body immersed in a fluid, whether partially or totally submerged, experiences an upward buoyant force that acts at the center of mass of the displaced fluid and is equal to the weight of the fluid that the body displaces."

A submerged object feels more pressure on its bottom surface than its top surface when it is partially or entirely submerged. There is an upward push as a result of this. Upthrust  or buoyant force is the term for this force.

Hence, Archimedes'  principle states that an object submerged in liquid experiences  an upthrust equal to the weight of the displaced liquid.

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Answer:

If it takes the swing 2 seconds to complete one cycle, then

that's the period of its motion ... 2 seconds.

The frequency is the reciprocal of the period ... 1/2 Hz.

('Hz' means 'per second'.)

Explanation:

hope it helps

Answer: The Equator

Explanation: The Equator is the place on Earth that is the most exposed to the sun rays throughout the year, which is why the climate is constant and without changes in this part of the world. The Equator always gets the sun rays at right angle, or very near the right angle.

Answer:

it is out of 1 and 2

Explanation:

Answer:

Kinetic to Electrical to Light.

Explanation:

Kinetic energy from Harry will be converted to electrical energy within the bicycle. This electrical energy travels to the signboard, which then lights up, producing light energy.