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Science/Technology
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Questions (684)
Every few years, sailboats of different countries compete in a race for a trophy called the America's Cup. The boats sail over
3 answers
asked by
thing
37 views
The input piston of a hydraulic press is 20mm in diameter, and the output piston is 10mm in diameter. an input force of 1.0N
4 answers
asked by
DMITRIC
1,561 views
What does O2 stand for?
3 answers
asked by
Jo
25 views
why do they call oil and natural gas "fossil" fuels?
4 answers
asked by
michelle
575 views
1). In 1968, vehicle emision standards allowed 6.3 hydrocarbons released per mile driven. By 1980, the standards allowed only
4 answers
asked by
Sherkyra8645
1,025 views
A carbon dioxide laser is an infrared laser. A CO2 laser with a cavity length of 48.4 cm oscillates in the m=100,000.0 mode.
1.
4 answers
asked by
Mike
2,355 views
What kind of energy takes place when a woman runs
3 answers
asked anonymously
25 views
A simple circuit is wired with a battery a switch and a bell when the switch is turned on what energy transformation will occur
3 answers
asked anonymously
43 views
Crude oil always floor in the millions of years ago from the remains of living things. Where is crude oil found today
3 answers
asked anonymously
108 views
How is plastic made?(1 point)
Responses Oil and natural gas are broken down from long chains into the smaller compounds we call
2 answers
asked anonymously
43 views
what are all the color families?
2 answers
asked by
cokacola
61 views
At what frequency would a 0•5H inductor have a reactance of 1000 ohms
2 answers
asked anonymously
41 views
A bottle of ant killer holds 1,5L of concentrate. To make up a solution, 5 capfuls are added to 1L of water. Each capful is
3 answers
asked anonymously
43 views
Example of how energy obtain in use of animals
2 answers
asked anonymously
25 views
Which are examples of non visible light
2 answers
asked anonymously
29 views
In terms of speed, what does this diagram explain at A, then B, then C?
( points)
3 answers
asked anonymously
48 views
How is plastic made?(1 point)
Responses Coal and natural gas are broken down from long chains into the smaller compounds we call
2 answers
asked anonymously
59 views
Why should plaster of Paris be stored in a dry place?
State three applications of plaster of Paris in daily life
2 answers
asked anonymously
52 views
What is the stated main idea in the paragraph?
Solar power uses the sun to make energy. Special panels are placed in the
2 answers
asked anonymously
53 views
how are pencils made
1 answer
asked by
pencil guy
27 views
How is plastic made?(1 point)
Responses Coal and natural gas are broken down from long chains into the smaller compounds we call
4 answers
asked by
EMILIANO
66 views
Life large molecules
2 answers
asked anonymously
25 views
What is aquaculture
1 answer
asked by
Mike
57 views
Have you ever wondered how a microwave oven works? It's amazing, really. You feel like having a snack right away, so you
1 answer
asked anonymously
82 views
A fireman turns on a house and is knocked back which law is this
3 answers
asked anonymously
36 views
What is the function of sheave wheel
1 answer
asked by
Anonymous
63 views
Wt-, is that in 1.5 billion years all humans with die?
1 answer
asked by
wth
77 views
What happens in the winding house of a mine?.
1 answer
asked by
Phomolo kuenane Bianca
67 views
What does a headgear of a mine do?
1 answer
asked by
Book mpho
93 views
Which of the two system in figure 4 do you think will need the largest motor ? Explain the answer.
1 answer
asked by
Sithandiwe
91 views
What symbol in the figure is used to represent a carbon block lighting arrestor
1 answer
asked by
Anonymous
331 views
Which is a disadvantage of solar power?
A) it requires turbines. B) it can be harmful to wildlife C) it requires burning fuel,
1 answer
asked by
Anonymous
169 views
Which type of weather technology often carries cameras that can make images of Earth’s surface, clouds, and snow cover?
2 answers
asked by
chole the ish
215 views
The process of removing salt from salt water is called desalination.
1 answer
asked by
Jordyn Radford
221 views
Which best explains why rivers south of the Fall Line are used to power mills and machinery?
4 answers
asked by
Madison
421 views
Water towers are tall to provide enough water pressure to supply all of the houses and
businesses in the area of the tower. Each
2 answers
asked by
Charles
578 views
I'm having trouble with this question, not coming up with any of the possible answers. idk what I'm doing wrong
1 answer
asked by
Aidan
439 views
1. According to Moore’s law, the number of transistors T on a semiconductor chip doubles every two years. Assuming a
1 answer
asked by
Owais
636 views
what is the main composition of the brushes of the dc motor?
1 answer
asked by
tumelo
428 views
Backflow means a flow of a liquid, right?
1 answer
asked by
Rylie
376 views
use diagram and text to explain how bipolar transistor operates in switch mode (fully on and off) use each of the following
1 answer
asked by
Albert Einstein
436 views
What were huge steam engines called?
2 answers
asked by
Ashley
483 views
Which junction corresponds to sub cell 3?
Sub cell based on Ge. Sub cell based on GaAs. Sub cell based on GaInP. Sub cell based
1 answer
asked by
pritam
405 views
Liquid has a specific gravity of 9.54, What is the centipoise value?
1 answer
asked by
mike
290 views
A pilot is flying an airplane. Due to strong winds, the pilot decides to fly 4,000 feet lower to avoid excessive the rate of
3 answers
asked by
TEEZY
71 views
Find the percentage of pure gold in 22-carat gold, if 24-carat gold is 100% pure gold.
4 answers
asked by
Vivek
810 views
What are the physical aspects of sound?
1 answer
asked by
Victoria
384 views
I've got a research paper about diamonds and I need to limit my topic about it . Can somebody tell me topics about diamonds
1 answer
asked by
angy
445 views
A 2.0-microFarad capacitor is charged to 50V and then connected in parallel (positive to positive plate) with a 4.0-microFarad
1 answer
asked by
HELP Me! ASAP please ^_^
982 views
Which mineral is mined at lake magadi
3 answers
asked by
Maggie.K
55 views
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