Post a New Question

Plastic Moulds ==> Couldn't find anything myself

83,388 results

Plastic Moulds ==> Couldn't find anything myself
I'm proposed a way I'd synthesize plastic...polyethylene to shape into a pipe PROBLEM: not sure how or what I would use to make a mold or best method to produce a PIPE not sure what a mold should look like to produce a hollow object like a pipe. OR what material I can use ...

Maths
Plastic block A has a mass of 1.2kg. Plastic block B is made from plastic with a density 40% greater than the plastic block. Work out the mass of the plastic cube. Plastic block A is 20cm by 10cm by by 5cm. Cube is 6cm. Is it 6×6×6=216 216 ×1.4

science
I have a odd question once again. (I'm not creating a report on this) Plastic/ foam in the microwave... I have actually done this myself. I have gone and put a foam container in the microwave and heated it with food in it. (It really wouldn't be advisable but I was seriously ...

Science
The science teacher gave each group in the science lab a pair of wires for an investigation on electrical current.Susan noticed that the wires were made of metal,but they were covered with plastic.The wires were covered in plastic because A.plastic is a good conductor and ...

science -chemistry
please could someone help me answer this question:- explain simply why aluminium is cheaper than gold with refernece to the extraction method and abundance. thankyou ive looked myself but can`t find anything.

Geometry
If the top of the paint container is made of plastic, how much plastic is used to make the top? Assume the thickness of the plastic is negligable. Round to the nearest square inch.

Song of Myself+English
Has anyone read Song of Myself by Walt Whitman?? I can't find any themes for it. So hard to understand. Would slavery be a theme? I need atleast 4 themes associated with Song of Myself.

year 7 ict
please could someone tell what a screenshot is. i need to explain the different sections but ive got no idea where to start. ive looked myself but can`t find anything to help. thanks to anyone who helps me.

English
1. I awoke to find myself famous. 2. I woke up to find myself famous. 3. I awoke and found myself famous. 4. I woke up and found myself famous. -------------- Are they all the same and grammatical?

English
1. I feel comfortable in myself. 2. I talked out loud of myself. 3. There is a gap between myself. ------------- Are the sentences all grammatical? If not, would you correct each sentence? Thank you.

science
I need to find a thin layer of ice that has condensed? go north :-) or... Put 1/3 cup of hot water in the freezer with a piece of plastic over it. The warm moist air will rise and condense on the plastic lid and freeze there.

7th grade math
A company needs to packages 80 cubic feet of chemicals in to a plastic container, find the whole number dimensions of a container that would use the least amount of plastic

English
I forgot to include the very last sentences of the day. Thank you very much. 1) Every week a person in Britain uses three plastic bags. They are strong and don’t disappear. They can last hundreds, possibly thousands of years. 2)They are called white pollution in China. In ...

Physics
for our lab, we had to fill a semi-circle plastic dish (with a scratch on one side) with water and find the index of refraction of water by putting a pin on one side of the dish, looking through the water, and put a pin on the other side of the dish to line up with the first ...

Physics
Consider a spherical plastic shell with inner radius r=1cm, r2=2cm, and a dielectric constant K=4. The center is hollow. Free charge is bound within the plastic. The charge distribution is spherically symmetric but decays with radius, following a charge density:p_f=K/r where K...

Math
A container needs to package hazardous chemicals in a special plastic rectangular prism that holds 80 cubic feet. Find the whole number dimensions of the container that would use the least amount of plastic. My answer is 5ft, 2ft, and 4ft

English
1. I kept myself warm. 2. I kept myself running on the playground. 3. I kept myself hidden in the closet. (Are the sentences all grammatical?)

Physics - grade 11
The speed of light of a plastic is 1.4x10^8. What is the index of refraction in the plastic?

physics
2. The speed of light in a certain plastic is 1.88*10^8 m/s. what is the index of refraction of plastic?

chemistry
The density of a certain type of plastic is 0.89 g/cm3. If a sheet of this plastic is 10.0 m long, 1.0 m wide, and 1.0 cm thick, what is its mass?

Water
One way is to collect rain. Another way is to erect cone shaped metal objects on which water will condense at night and run into a container. There probably are more esoteric systems but this should get you sarted. If you don't have any machines or modern day tecnology and you...

Chemistry
Several years ago a company invented plastic ice cubes. These were colored plastic cubes with frozen water (or another substances) inside. That way, as the solid melted, it could cool your drink, but did not dilute it with extra water (from the melted ice). If plastic cubes ...

Physics
An optical fiber is made of a clear plastic with index of refraction n=1.6, For what angles with the surface the light remain contained within the plastic guide?

physics
4. A beam of light in water enters a plastic block (index of refraction=1.40(a) if the angle of incidence is 40, what is the angle of refraction in the plastic?(b) at what angle must the beam be incident on the plastic if the refraction angle is to be 30?

English
I taught (thinking to myself not sure if it’s the right word taught) to myself that I needed to be fluent in programming languages to set myself apart from others in the job market and increase my quantitative skills. Is the proper word "taught" used correctly? Thank you

Physics
You have left your bicycle outside in the backyard for three hours on a very cold day. Now you decide to go for a ride. The metal handlebars feel colder than the plastic hand-grips because: Question 4 options: A) The latent heat of fusion of the plastic is bigger than the ...

Chem
Calculate the expected volume of hot water that would be required to dissolve 0.15g of benzoic acid, vanillin, phthalic acid, salicyclic acid? You don't need to do all or any of them. I just need to know what formula to use and what to sub in and I can do the rest myself. I ...

physics
A foam plastic ( sg = 0.58 ) is to be used as a life preserver. What volume of plastic must be used if it is to keep 20 % (by volume) of a 75 kg man above water in a lake? Average density of a man is equal to 1.04 g/cc. Assume the foam plastic’s top surface to be level with ...

Physical Science
A friend tell you that a refrigerator door beneath it's layer of white painted plastic, is made of aluminum. How could you check to see if this is true withoutscraping away the plastic?

Crime scene chemistry
What would happen to the denisty of a plastic sample if an excessive number of air bubbles were allowed to accumulate on the plastic surface when placed into the solution?

English
Hello. Please help me understand the sentence: "I took my picture" (does it mean that I photographed myself or that I took it into my hands just like a book or a scarf). And if I photographed myself, is it possible to say "I took a picture of myself"? Thank you for help.

math!!!
Molten plastic is injected into the centre of a circular mold of constant height, H, through a small hole. The rate of injection is such that the radius of the plastic inside the mould increases so that r(t)= 3t^2 -2t^3 where the mold has maximum radius of one unit. Compute ...

Science
Equipment and Materials: measuring spoon, 2 beakers, sieve, 2 plastic containers 8 table spoons of sand, 100 mL of water 15 plastic gems. Hypothesis: what do you think will happen with each mixture and why?

physics
the average speed of light slows to .75 c when it refracts through a particular peice of plastic. a) What change is there in the light's frequency in the plastic? b) It's wavelength?

Pysics
the average speed of light slows to 0.75 when it refracts through a praticular piece of plastic. a. what change is there in the light's frequecny in the plastic? b. in its wavelength?

year 7 science
Chemical and physical changes. please could someone help me i need to say whether the following are chemical or physical changes and explain why. I`ve looked myself but i can`t find anything that helps. grateful for any help .thanks Frying an egg , burning paper , mixing a ...

math
Eight sided dice can be described as two square based pyramids stuck together at the bases. Their faces are equilateral triangles. If the edge of one die is 2mm, find the difference in materials cost between a solid gold die and a “gold” painted plastic die. (Gold costs $...

Bio
1) Create a flowchart that describes the reproductive cycle of a typical fungus, such as bread mould. 2) Create a concept map comparing the reproductive structures and processes of moulds, sac fungi, and club fungi how do i do this??

Grammar
The surgery was performed by Dr. Jones and me / myself. A) me B) myself I answered B

algebra
i am supose to graph this using three points on a graph how am i suppose to find three points for this problem x<=2 What about x=2, y = anything; x=1, y= anything; and x=-4, y= anything. I would write as as x+y<=2 2+y<=2 then solve for y to get my points

English
Which is the correct word The suspect wouldn't admit (anything, nothing.) I think anything I don't know (any, none) of the people on this bus. I think any Rosa couldn't do (anything, nothing) about changing the time of our program. I think anything.

Algebra
Use this proportionality: A correlation V square 2/3 How much more material is needed to manufacture an industrial plastic container with twice the volume of a similar container? A manufacturer of plastic containers prices its product by the amount of plastic used to make the ...

SCIENCE
I am confused by this question. Biodegradable plastics may not break down readily in the sea because a. Submergence in the water will protect them from sunlight b. the water will keep the plastic cool c. microorganisms will rapidly coat the plastic d. a and b above e. all of ...

Math
A thin plastic band 50 cm long is used to tie seven plastic pipes together. What is the radius of the pipe? The shape is a hexagon but not vertices but curved. My solution was , you get an eqilateral triangle with side 3 r 3 r = 50/6 r = 50/6/3 = 2.73 But the text book answer ...

MATH
Plastic plates come in packs of 8, plastic utensils come in packs of 12, and plastic cups come in packs of 20. What are the least numbers of packs you should buy in order to have the same number of plates, utensils, and cups?

English
I'll have one hamburger. 1. Anything else? 2. Will you have anything else? 3. Do you want anything else? 4. Do you want to have anything else? -------------------- Can we use the others instead of #1?

bcc
if you put honey,water,dishwashing liquid and vegetable oil in a clear jar and then you add asmall of plastic cup, plastic fork, straw and a small piece of styrofoam cup.

science
Frogs hear with their _______ lining of their mouth tongue tympanum nostrils*** I'm not so sure about this question. I went back and looked in my book but i can't find anything, I searched it to and still couldn't find anything. Could someone please help me better understand ...

English
She hasn't said (anything, nothing) about her accident. I think anything Hardly (anything,nothing) pleases him. I think anything There aren't (any,no) pears in the supermarket. I think any

physics
A positively charged glass rod is brought close to a neutral sphere that is supported on a nonconducting plastic stand. Sketch the distribution of charges on the sphere if it is made of: a) Aluminum b) Non-conducting plastic

statistics
A supplier of plastic pellets claims that when the plastic is pressed into wafers of uniform thickness, they will have a mean breaking strength of 165 newtons and a standard deviation of 5 newtons. An engineer at the company randomly selects wafers from 12 batches of pellets. ...

history -history teacher if poss
for my history homework i need to answer this question Explain why the Peace Settlement was changed in the years 1920-1928. ive looked but can`t find anything its due in tomorrow and i can`t find anything. please can someone help.

English
Can you please check these sentences? I'm still doubtful about the use of prepositions. Thank you very much. 1) I was last ashamed of myself when I lost all the matches in a tennis tournment (The last time I've been ashamed of myself is wrong?) 2) I've never blamed a friend ...

physics lab
A bullet is shot into a block of plastic. The bullet penetrates the block 0.75 m. The mass of the bullet is 8 g. It is traveling with a speed of 410 m/s before it hits the block. A Use kinematic equations to find the magnitude of the acceleration on the bullet as it is ...

History
I have to explain why there was such a delay for the enforcement of both documents. I've been trying to find websites to help me, but I haven't found anything. The answer I see is The basic reason is that most nations don't want international agreements to intefere with the ...

Social Studies
What are some differences between the European and Taino (Native American) ways of life and cultures? Desperate for anything. I've been researching for hours but can't find ANYTHING.

PHYSICS
A toy gun launches a small plastic sphere using a spring. The spring has a spring constanct of 20 J/M^2 and the plastic sphere has a mass of 25 grams. Before launch x initial is -10cm velocity initial is 0 m/s After launch x final is o cm Apply the law of conservation of ...

math grade 12
A sheet of plastic stops 25% of the light and lets through the residual 75%. What percentage of the light is let through by two sheets of the plastic ?

Superglue fuming--fingerprints
What is an amino acid? Why do they cause superglue to stick to my fingerprints on a cd when I place the cd in a plastic box covered with plastic wrap? I'm 9, so I really need just a simple answer. Thanks.

English
A: May I take your order? B: Yes, please. I'll have a chicken sandwich. A:Sure. Anything else? B: One small orange juice, please. (Conversation at a sandwich shop) ============================== Q1: What is the meaning of 'Sure'? Why is 'Sure' used here? 'What other ...

math
A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two products, A and B. Each unit of A requires 1, 3 and 2 kilograms of wood, plastic and steel respectively; each unit of B requires 3, 4 and 1 kilograms of ...

math
A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two products, A and B. Each unit of A requires 1, 3 and 2 kilograms of wood, plastic and steel respectively; each unit of B requires 3, 4 and 1 kilograms of ...

linear programming
A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two products, A and B. Each unit of A requires 1, 3 and 2 kilograms of wood, plastic and steel respectively; each unit of B requires 3, 4 and 1 kilograms of ...

Physics - General Physics
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. The angle of refraction is 30.700° for the violet light and 31.380° for the red light. The index of refraction for violet light in plastic is greater than that for red...

chem
A piece of plastic has a mass of 14.2 grams and volume of 16.8cm cube. What is the mass of 1.00cm cube of this plastic? Thanks for your help.

algebra
The perimeter of a rectangular piece of plastic is 22 millimeters. The area is 30 square millimeters. What are the dimensions of the piece of plastic?

Algebra
The area of a rectangular piece of plastic is 70 square millimeters. The perimeter is 34 millimeters. What are the dimensions of the piece of plastic?

math help
Mrs. Williams is going to purchase a plastic cover for her outdoor fish pond. The area of the fish pond is 25 m2. However, she must purchase a cover that is 12% more than the pond area in order to cover the entire edges of the pond. The plastic cover costs $4.75 per square ...

science
a plastic container witha mass of 30 grams gains 1,140 joules of heat if the tempreature of the container increases 20 degrees celcius what is the specific heat of the plastic in the container

geometry
the picture at the right shows the garden in roberts yard.it's a triangle with a right angle,and it's lenght is 9ft,width is 15ft,and height is 12 ft,he wants 2 cover the garden with plastic bc of a sudden drop in temperature.how many square yards of plastic does he need?

chemistry
A plastic container with a mass of 30 grams gains 1,140 joules of heat. If the temperature of the container increases 20°C, what is the specific heat of the plastic in the container?

Math
A plastic jug contains 2g gallons of milk more than a carton of milk. The plastic jug and the carton contain(8g+6) gallons of milk altogether. How much milk does the plastic jug contain?

Science
Q16: A clear plastic cube with exactly the same index of refraction as water, is placed in a container of water. Would you be able to see the plastic cube in the water if you looked at it from an angle? Please explain why or why not.

Reading
I need certain prices from the 1940's, I need the price of a penknife, an ax, flint & steel and a tinderbox for a reading report. I have been on several different sites to find archival information, but I cannot find anything. My parents said not to subscribe to anything and ...

Reading
I need certain prices from the 1940's, I need the price of a penknife, an ax, flint & steel and a tinderbox for a reading report. I have been on several different sites to find archival information, but I cannot find anything. My parents said not to subscribe to anything and ...

physics
If I send a laser beam in a container of water, (a semicircle shape), the incident ray from laser has to hit the strick flat face of the container at its center. Why? What if the container has plastic wall. Can I ignore the refraction of light through plastic.

electromagnetism
A plastic rod is rubbed against a wool shirt, thereby acquiring a charge of -0.8micro colomb. Haw many electrons are transferred from the wool shirt to the plastic rod?

Hyperbolas, comic sections
So I have this equation: 36x^2-121y^2=49 Which I rearranged to 36x^2/49-121y^2/49=1 So I want to go from here and find the eccentricity,foci,asymptotes etc... But I'm getting myself confused. Since my equation is of the form x^2/a^2-y^2/b^2=1 Both a and b would be 7^2... which...

Go Math grade 6
The Webster family is planning a barbecue for one hundred people. The Webster family needs one plastic plate for each person at the barbecue. The Stop and Shop store and Market Place Store both sell plastic plates in packages of fifteen for five dollars and forty-eight cents ...

English
For school I have to read Pride and Prejudice. My teacher gave us an assignment where we have to find a different literary element every couple of chapters. I have been searching for a while now and can't seem to find anything. It has to be between chapters 44 and 50 and can ...

Error Analysis
Please help me find the wrong grammar, word use and sentences structure for me.. *It's not essay. It's my homework from teacher to modify What can you do to reduce global warming in Thailand Global warming is big problem for the word. Now, the word want assistance from every ...

Physics 2
A sheet of plastic (n = 1.56) covers one slit of a double slit (see the drawing). When the double slit is illuminated by monochromatic light (vacuum = 568 nm), the center of the screen appears dark rather than bright. What is the minimum thickness of the plastic?

English
For my english class we have to write a one page essay about What is the most significant gift that we wish to give ourself this semester. Here's what I have so far I was wondering if you had any other ideas on what I could add to it because it needs to be longer and see if my...

to kill a mockingbird.
does the book say anything about scout's physical appearance? i cant seem to find anything. she was skinny with blue eyes and dressed like a tomboy i read that book what was the slushy operation

physics
we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 mi/sec). If light travels through thick plastic with a speed of 1.75 x 10^8 m/s, what is the index of refraction through plastic?

physics
we know that the speed of light in a vacuum is 3.0 x 10^8 m/s (18,000 mi/sec). If light travels through thick plastic with a speed of 1.75 x 10^8 m/s, what is the index of refraction through plastic?

physics
The speed of light in a certain piece of clear plastic is 1.95 108 m/s. A ray of light strikes the plastic at an angle of 21°. At what angle is the ray refracted?

Art
Picture: Contemporary Retro Molded Black Accent Plastic Dining Armchair with Wood Eiffel Legs its the first picture in google. This wooden and plastic chair design by Ray and Charles Eames communicates a a sense of which artistic charateristic? A. Balance B. Rhythm C. Color D...

Physics
I need immediate help on these questions:. 2.a small plastic ball with a mass of 0.005kg is suspended from a thread and hangs in equilibrium as shown in the drawing below when a small rod with a 2 uC charge is brought to within 3mm of the ball a)find the tension force in the ...

physics
The speed of light in clear plastic is 1.866 ×10^8 m/s. A ray of light enters the plastic at an angle of 29.3 degrees. At what angle is the ray refracted?

Math
Byron’s house has a roof with dimensions shown. (Roof: 1m Height, 7m Hypotenuses, 12m length) He knows that the average rainfall in his suburb is 30cm per year. Byron would like to install a cylindrical rainwater tank to hold the water that runs off the roof. The tank is to ...

Math
Byron’s house has a roof with dimensions shown. (Roof: 1m Height, 7m Hypotenuses, 12m length) He knows that the average rainfall in his suburb is 30cm per year. Byron would like to install a cylindrical rainwater tank to hold the water that runs off the roof. The tank is to ...

Art please help me :)
Picture: Contemporary Retro Molded Black Accent Plastic Dining Armchair with Wood Eiffel Legs its the first picture in google. This wooden and plastic chair design by Ray and Charles Eames communicates a a sense of which artistic charateristic? A. Balance B. Rhythm C. Color D...

Pre-Calculus
The cost of sending a package overnight is $14.40 for the first pound and $3.90 for each additional pound or portion of a pound. A plastic mailing bag can hold up to 3 pounds. The cost f(x) of sending a package in a plastic mailing bag is given by the following function, where...

SAT Writing
This is regarding to the previous essay (the contradicting myself one). How am I contradicting myself? I am saying that memory is not central because it causes a person to reflect on the misery which is not good. This is the negative side of remembering the past .

CALCULUS
what is the derivative of ln(x-1)? If you are studying the calculus of logarithms your question surprises me, since that is one of the most basic ones in that topic. in general if y = ln("anything") then y' = 1/"anything" * derivative of "anything" just apply this rule and let...

mah
the edges of a cubical frame are made from plastic straws. how much longer is the total length of the plastic edges of a cube whose edge is 10cm compared to a cube whose edge is 18cm?

math
A large game die is a cube measuring 1.2” in length. The die is a solid made from liquid plastic. If a game comes with 6 such dice, how many cubic inches of liquid plastic were needed to make the 6 dice?

math
Silas took 15 bags of glass to the recycling center on Monday. He took 6 bags of plastic to the recycling center on Tuesday. Which equation could be used to find x, the total number of bags of glass and plastic Silas took to the recycling center? A. x - 15 = 6 B. x + 15 = 6 C...

Physics
A plastic rod is rubbed against a wool shirt, thereby acquiring a charge of −4.9 µC. How many electrons are transferred from the wool shirt to the plastic rod? The elemental charge is 1.6 × 10^-19C.

  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. 7
  9. 8
  10. 9
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
  16. 15
  17. Next>>

Post a New Question