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Paper
Papers are thin, flat materials produced by pressing moist fibers (usually cellulose pulp derived from rags, grass or wood) and drying them into flexible sheets. They are primarily used for writing, printing or packaging.
2,231 Questions
How much energy in you gram paper clip E-mc2?
To calculate the energy of a paper clip using E=mc², you would need to know the mass of the paper clip in kilograms. Once you have the mass in kilograms, you can multiply it by the speed of light squared (3.00 x 10^8 m/s) to find the energy in joules.
What is a sheet of paper made out of?
Trees are shredded down to their basic fibers, and these fibers are then pressed together to form paper. The quality of the fibers and their thickness contribute to the overall quality of the paper, with certain types of paper being designated as optimal for a specific purpose, such as printing, tracing, or drawing. Paper may be created from trees, or from recycled paper, which basically involves shredding the paper to be recycled, bleaching or removing the ink, and then pressing it into fresh sheets of paper. Regardless, most paper today is made of tree by-products, and many forests are planted and grown with the explicit intention of chopping down those trees for more paper. Normal sheet paper is 100% tree fiber, while other papers, such as glossy or photo paper, includes additional treatments or chemicals to give them their desirable properties.
Ten reams of paper, at 8.5 centimetres tall each, would measure 8.5 x 10 = 85 centimetres.
Each sheet of paper within a ream would measure 8.5 / 500 = 0.017 centimetres, or 1.7 millimetres.
What type of paper burns the longest?
Thicker paper, such as cardstock or heavy-duty construction paper, tends to burn longer than regular copy paper or newspaper due to its denser composition. However, it's important to remember that setting any type of paper on fire is a fire hazard and should be done with caution and in a controlled environment.
Why does a piece of paper bend as you blow under?
When you blow under a piece of paper, the air flow creates a low-pressure area under the paper, causing it to bend towards the side with higher pressure (usually the top side). The pressure difference between the top and bottom of the paper results in a lifting force that causes the paper to bend.
What type of change happens when you crumple a piece of paper?
When you crumple a piece of paper, a physical change occurs. The paper's shape and appearance change, but its chemical composition remains the same.
What is brown paper made from?
Brown paper is typically made from wood pulp, specifically the cellulose fibers found in trees like pine, spruce, or fir. These fibers are processed and bleached to create the paper product we commonly see. Additionally, brown paper can be made from recycled paper materials to decrease environmental impact.
Why a paper clutch keeps the paper fixed in its position?
A paper clutch keeps the paper fixed in its position by applying pressure to the paper with frictional force. When the clutch is engaged, it presses down on the paper, creating friction between the paper and the clutch mechanism, preventing the paper from moving.
Is wax paper the same as transfer paper?
No, wax paper and transfer paper are not the same. Wax paper is a type of paper coated with a thin layer of wax on both sides, commonly used in cooking to prevent food from sticking. Transfer paper, on the other hand, is specifically designed for transferring images or designs onto different surfaces, often used in crafts and printing.
What is the stress involved in stapling some sheets of paper?
The stress involved in stapling some sheets of paper is minimal, typically just the force needed to press down on the stapler handle. However, repeated stapling over a long period of time could lead to hand or wrist discomfort.
What are paper weights used for?
Paper weights are traditionally used in offices. The most common use for paperweights is to keep documents, files etc in place. Paperweights can also be used as a fun way to bring a desk to life and many people collect paperweights in different shapes and sizes.
How do you make fire from just paper?
To make fire from just paper, you can scrunch up the paper into a ball and light it with a lighter or match. You can also soak the paper in wax or cooking oil to make a makeshift candle that can be ignited. Remember to always exercise caution when handling fire.
What happens when a straw is rubbed with a sheet of paper?
When a straw is rubbed with a sheet of paper, friction causes electrons to transfer between the two materials. The straw becomes negatively charged as it gains electrons, while the paper becomes positively charged as it loses electrons. This can result in the two objects attracting or repelling each other.
How much does A1 sheet of 80gsm paper weigh?
An A1 sheet of 80gsm paper weighs approximately 80 grams. This weight is based on the standard measurement for paper weight, which refers to the weight of one square meter of paper.
How do you make blood stains on paper?
Blood stains on paper can be created by using food coloring or red ink mixed with a small amount of water. Dip a cotton swab or brush into the mixture and lightly dab or smear it onto the paper to create the desired effect. Remember to let it dry before handling the paper to avoid smudging.
What is the ply thickness of standard copy paper?
Paper is measured is grams per meter square. A standard sheet of A4 size is 80 grams per metre square. Thus a standard A4 sheet weighs 5g. The 'heavier' the paper the thicker it is.
Why do papers loose mass when they get burned?
They don't, infact, they gain mass.
When paper burns it reacts with oxygen and turns into carbon dioxide and water.
Both of these are gasses which you wont see anymore.
The only thing you will see after the reaction is the black charcoal, which is only a small percentage of the gasses created.
So in the end the paper weighs more because of the attached oxygen.
The only problem is that you cant see or weigh the gas.
When you fold a piece of paper the crease in the paper represents a?
The crease in a folded piece of paper represents a structural weakness due to the compression occurring at that point. The fibers in the paper become more condensed and stretched along the crease, making it more prone to tearing or breaking than the rest of the sheet.
A bit of background first. Paper is a thin mat or pad of interlocking cellulose or similar fibers that have been pressed flat and smooth. The fibers are chosen for several characteristics such as strength, chemical stability, and an ability to hold ink or paint.The spaces in the mesh of fiber can be filled with clays to provide a smoother or heavier paper.
Paper can be made of many materials:
- The majority of paper seen every day is made of trees, specifically softwood trees that are cut, chipped and cooked in various chemicals to remove the binding chemicals (lignans) and release the cellulose fibers. These fibers are spread thin and essentially ironed flat into rolls of paper. Wasps do this same thing to make the paper for their nests, except that they chew the wood to separate the fibers. The finished product can be as soft as kleenx or as durable as Kraft paper, sometimes called butcher's paper.
- Other plants such as cotton and linen can also provide fibers of suitable nature. These fibers are often used to make very high quality paper such as is used in paper currency. High quality paper often has content noted as containing so much "rag" this refers to the proportion of linen and cotton fiber in with the wood fiber.
- Novelty papers are often made of unusual fibers. Many zoos produce paper from fiber recovered from sources like elephant dung. In these cases the fiber is actually cellulose from grass. Hemp shops often use hemp as the source of the fibers
- Specialty paper can include plastic fibers for strength, clays for a better and smother surface, attractive plant materials like petals for colour and texture, and dyes for colour.
Will a piece of paper fit on a locker door?
It depends on the size of the paper and the size of the locker door. A standard letter-size piece of paper (8.5 x 11 inches) will likely fit on a standard size locker door, but larger papers may not fit.
What is laminated paper made of?
Laminated paper typically consists of two or more layers of paper with a thin layer of plastic sandwiched in between. The plastic layer is usually made of polyethylene or polyester. This process creates a durable and versatile material that is resistant to tearing, moisture, and grease.
What is transfer paper used for?
Transfer paper is a special type of transfer paper. The main use for transfer paper is on clothing/fabric. You simply print a picture off your computer onto the transfer paper and then you put the picture on the material. Using an iron or heat press you go over top of the paper all over and the image magically transfers onto the fabric :)
What are the forces when you pick up a piece of paper?
When you pick up a piece of paper, the forces involved are gravity pulling the paper downward, your hand applying an upward force to lift the paper, and the normal force of the paper against your hand preventing it from falling through.
How tissue paper weight calculated?
I'd imagine a single sheet of tissue paper is best calculated (assuming uniformity in manufacturing) by counting the amount of sheets and weighing them all together on a balance, then dividing by the amount of sheets to get the average weight
