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Science and Technology
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Questions (7,212)
A transformer has cooling fans that are set to come on when the temperature reaches 32° Celsius. The temperature is 90°
6 answers
asked by
TIFFANY
5,092 views
A small tiny nail may Pierce an inflated Tyre and remain there without pressure reduction.explain
9 answers
asked by
Anonymous
3,161 views
Two competing corporations are submitting data to the US Military to create chemical hot packs. The Military has stipulated that
5 answers
asked by
Kelly
2,899 views
Explain why a minibus is more likely to topple over when the roof rack is heavily loaded than when the roof rack is empty.
7 answers
asked by
Anonymous
3,637 views
A new wood stain loses 6.5% of its colour every year in a city that experiences a lot of hot, sunny days.
What percent of colour
5 answers
asked by
Anna
1,411 views
Who Discovered the First Singind and Dancing Hawk?
5 answers
asked by
Cameron
2,395 views
A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C−1). At room temperature
4 answers
asked by
anthony
4,803 views
An artificial satellite is going round the earth, close to its surface. Calculate time taken by it to complete one round. Take
4 answers
asked by
Bargav
846 views
Which of these are possible uses of electrolysis?
A: recharging batteries B: obtaining pure metals from ores C: plating a steel
4 answers
asked by
Ben
983 views
Estimate the amount of gasoline consumed by automobiles in the United States each year. If this gasoline were stored in a single
4 answers
asked by
123
577 views
Does agar float in water?
Yes, low-density agar is used in most studies
4 answers
asked by
Moi
873 views
Why do sound engineers use spongy materials on walls?(1 point)
Responses to reflect sound waves better to reflect sound waves
4 answers
asked by
OwO
963 views
The Navstar Global Positioning System (GPS) utilizes a group of 24 satellites orbiting the Earth. Using "triangulation" and
4 answers
asked by
Claire
2,491 views
What is the function of the turbine in a nuclear reactor?
to circulate the water back to the reactor after energy is removed from
3 answers
asked by
dianni
1,933 views
identify three devices that convert electrical energy into light, and give an advantage and disadvantage of each one.
3 answers
asked by
Scout
1,232 views
An interference filter is to be constructed for isolation of the nitrobenzene absorption band at 1537 cm-1.
(a) If it is to be
3 answers
asked by
Aaron
1,043 views
Which of the statements correctly describes the main reason why the long-term storage of high-level nuclear waste is considered
4 answers
asked by
Michael
716 views
Which is a positive aspect of fossil fuels?(1 point)
Responses They can be recycled and reused. They can be recycled and reused.
2 answers
asked by
HHHHHEEEEEEEEELLLLLLLLLPPPPPP!
267 views
The two-mile linear accelerator at Stanford University in California "appears" to be less than a meter long to the electrons
3 answers
asked by
Jason
927 views
The Republic of Singapore Air Force uses the AIM-9 Sidewinder air-to-air missile which has a mass of 85.6kg. If the missile can
3 answers
asked by
Mah
1,466 views
How does a maglev train move forward?(1 point)
Responses Magnets in the sides of the tracks constantly repel and attract magnets
5 answers
asked by
the real BARNY THE DINO :)
322 views
The first supersonic flight was in 1947. It was just above the speed of sound. Which altitude would you expect Captain Yeager to
4 answers
asked by
hi
2,053 views
An interference filter is to be constructed for isolation of the nitrobenzene absorption band at 1537 cm-1.
(a) If it is to be
3 answers
asked by
Joseph
1,019 views
Which of the following two telescopes has a better angular resolution? 1) the Hubble Space Telescope (2.4 meter aperture) at
3 answers
asked by
Tsambikos
633 views
Which best summarizes the purpose of NASA?(1 point)
NASA is concerned with the creation and enforcement of regulations that
2 answers
asked anonymously
152 views
Airport security uses electromagnetic waves to see items inside of luggage without having to open the bags. Which type of
1 answer
asked by
Anonymous ;)
190 views
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8 answers
asked by
.
311 views
Which statement connects how innovations in science and technology contributed to changes in social and cultural life in the
5 answers
asked anonymously
183 views
what is laser optics, how laser optics work?
2 answers
asked by
serdar
851 views
A pickle ball moves at a speed of 100 mph. What is the speed in feet per minute
1 answer
asked anonymously
66 views
Four rivers have the same volume of water flow over time but fall from different heights to power hydroelectric dams. Which dam
1 answer
asked anonymously
84 views
Analyze the dominance of China in the hi-tech industry. What scarce resource is extracted from the Earth to support this
1 answer
asked anonymously
172 views
. Which has greater heat capacity—iron, tin, or bismuth? Why do you say this?
10 answers
asked anonymously
80 views
What are the advantages of using nuclear fusion instead of nuclear fission to generate electrical energy?
1 answer
asked anonymously
42 views
A product designer wants to choose a raw material as an insulator. The material should be minimally reactive to heat. Which
1 answer
asked by
Chrissy
78 views
So I have to do this project on simple machines. The invention we need to make should have at least 2 simple machines on it. We
1 answer
asked by
Anono
487 views
The table shows information about four ways which wave has the lowest frequency we have L as 120 and 600 M as 150 and 600 and as
1 answer
asked anonymously
51 views
in 3-5 sentences, explain why eletrical wires are often constructed from metal coated with rubber, and how that is similar to
1 answer
asked anonymously
61 views
Which of the following is not classified as NDE?
Group of answer choices Magnetic particle testing Tensile testing Die penetrant
1 answer
asked anonymously
56 views
Which statement best describes the reflection of a wave?(1 point)
Responses A wave fails to reach the surface of a material. A
1 answer
asked by
I hate math
70 views
Evidence: In March 1989, listeners in Minnesota could hear the broadcasts of the California Highway Patrol. In January 1997, a
1 answer
asked anonymously
29 views
Solar weather is defined as the (unchanging, dynamic) conditions in (Earth's, the Sun's) outer space environment. Solar weather
1 answer
asked by
sleepy
37 views
A city gets its electricity from a dam where water is stored in a reservoir. How does the water provide the city with its power?
1 answer
asked anonymously
125 views
Which of the following water filtration methods requires the use of a membrane or filter? (1 point)
• reverse osmosis •
1 answer
asked anonymously
52 views
which statement best defines the resistance of an electric circuit?
a. it is the amount of electrical energy that is available in
1 answer
asked anonymously
52 views
What is mechanical advantage?
a The number of times the machine adds the effort force b The number of times the machine divides
1 answer
asked anonymously
26 views
What would happen if a circuit with 2 cells, 1 bulb and a closed switch had it switch removed
1 answer
asked anonymously
54 views
Solar cells are used to power a person’s house. Which statement about the process is correct?
1 answer
asked anonymously
78 views
A circuit in a home provides power to a light fixture. The homeowners want to use a compact fluorescent bulb instead of an
9 answers
asked anonymously
144 views
What is one benefit of mapping the human genome?
locating the chromosomal abnormalities that cause disease having the genomes of
1 answer
asked anonymously
27 views
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