Questions LLC
Login
or
Sign Up
Ask a New Question
Science and Technology
Page 3
Questions (7,168)
A solar energy project is expected to have capital costs of $995,000, average yearly operating costs of $175,000, and a lifetime
1 answer
asked by
J.J Powell
339 views
Sources of energy such as batteries, generators, solar, or fuel cells are examples of which robot characteristic?
1.) movement
1 answer
asked by
Jazmyne Nowlin
83 views
Flammable materials
3 answers
asked anonymously
305 views
Which fossil fuel is extracted by fracturing rocks?
1. crude oil 2, coal 3, natural gas\ 4, gasoline
2 answers
asked by
J.J Powell
196 views
Machines were invented to have a mechanical advantage, so the work output is always __________ than the work input.
a greater b
1 answer
asked by
no name
188 views
A group of students sets up an electric circuit with wires, a battery, and a light bulb. Why is their circuit called a direct
3 answers
asked by
Hi
417 views
Choose an appropriate metric unit for the mass of concrete in a section of sidewalk
A.Kilogram B.milligram C.gram D.meter
105 answers
asked by
Boiiiiiiiiii
4,914 views
What is the NASA Star Finder used for?
4 answers
asked by
pleasehelpidontwanttofail
8,866 views
Consider a chromium-silver voltaic cell that is constructed such that one half-cell consists of the chromium, Cr, electrode
4 answers
asked by
Anonymous
7,907 views
A radio station broadcasts a signal over an area with radius of 50 miles. The station can relay the signal and broadcast over an
6 answers
asked by
Tim
3,708 views
A 56 kg astronaut stands on a bathroom scale inside a rotating circular space station. The radius is 250 m and the bathroom
4 answers
asked by
Jo
2,732 views
suppose that you are an accident investigator and you are asked to figure whether or not the car was speeding before it crashed
5 answers
asked by
dima qud
3,948 views
What are some Positive effects of Genetic Engineering and Negative effects of Genetic Engineering.
5 answers
asked by
DJ
3,781 views
What other challenges do you think there would be for engineers designing a spacecraft to travel to mercury?
6 answers
asked by
Angie
1,673 views
The question is "Explain the difference between a filament and a photophore."
I know that a photophore is a machine that an
7 answers
asked by
Maddison
1,599 views
Explain why the top of a commercial 1.5 V dry cell battery is always marked with a plus sign.
4 answers
asked by
Ron
1,051 views
If a gas is 9 times as heavy as hydrogen which diffuse faster and by what factor
5 answers
asked by
Hawah
2,767 views
calculate the electrical current necessary to produce 1000 kg of cl2 gas
4 answers
asked by
Wesley
438 views
A small tiny nail may Pierce an inflated Tyre and remain there without pressure reduction.explain
9 answers
asked by
Anonymous
3,158 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
2,896 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
3,635 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
1,406 views
A fertilizer mixing machine is set to give 4 kg of nitrate for every quintal bag of fertilizers. Five 100 kg bags are examined.
4 answers
asked by
nidhi
1,132 views
What are the three essential parts to make a battery?
Cell reducing agent acid fuse porous barrier or salt bridge voltage
5 answers
asked by
Karen
5,772 views
How is the atomic structure of a Copper differ from Germanium, Silicon and Gallium Arsenide ?
Tnx :))
5 answers
asked by
Anne
5,608 views
Who Discovered the First Singind and Dancing Hawk?
5 answers
asked by
Cameron
2,391 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
839 views
Trucks often have signs on their backs that say, "If you can't see my mirrors, I can't see you." Explain the physics here.
4 answers
asked by
Celeste
3,672 views
What is ATP?? List its usage
4 answers
asked by
Elzy
391 views
During an Apollo lunar landing mission, the command module continued to orbit the Moon at an altitude of about 58.6 km. How long
4 answers
asked by
robert
4,307 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
980 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
576 views
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a
4 answers
asked by
Kathy R
2,782 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
955 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
1,931 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
1,038 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
712 views
many automobile passengers suffer neck injuries when struck by cars from behind. how does newtons law of inertia apply here?why
2 answers
asked by
lisa
600 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!
263 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
922 views
when u use different materials, what are they most likely to be made from: elements, compunds, or mixtures? Which of the three
4 answers
asked by
Sara
901 views
a toaster uses chemical energy to make toast ( true or false )
6 answers
asked by
lacrosse
1,281 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
2,051 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
1,012 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
148 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 ;)
185 views
Does anybody have the answers for the energy’s transfer device portfolio
1 answer
asked anonymously
134 views
.
8 answers
asked by
.
307 views
Which statement connects how innovations in science and technology contributed to changes in social and cultural life in the
5 answers
asked anonymously
179 views
A pickle ball moves at a speed of 100 mph. What is the speed in feet per minute
1 answer
asked anonymously
64 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (26)
Academic Careers
Academic Fields
Academic Programs
Academic Subjects
Awards and recognition
Career
Career Options
Career Paths
Career Planning
Careers
Careers and Ambitions
Controversial Topics
Course Selection
Courses and Subjects
Curriculum
Economy
Education
Government/Executive Agency
History
History and Culture
Indian Achievements
Knowledge
Lesson planning
Non-fiction
Renaissance (or Historical Periods)
Social Studies