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Science and Technology
Page 2
Questions (7,212)
In 1–2 sentences, explain how electromagnets move a maglev train.
4 answers
asked by
the real BARNY THE DINO :)
451 views
According to Richard Graham in "SR-71 Revealed: The Inside Story", the Lockheed SR-71 Reconnaissance plane accelerates from a
3 answers
asked by
Anonymous
977 views
Why do sound engineers use spongy materials on walls?(1 point)
Responses to transmit sound waves more clearly to transmit sound
5 answers
asked anonymously
71 views
Why is solar energy a viable alternative energy resource?
1 answer
asked anonymously
51 views
Electricity is consumed between the hours of midnight (t = 0) and 6 a.m. (t = 6). Selected values of the rate of consumption are
4 answers
asked by
Sydney
2,378 views
Three light bulbs are connected in a series, as shown in the diagram.After the circuit is completed, the middle light bulb
1 answer
asked by
shoto
211 views
Passage: from “Life Without Gravity” by Robert Zimmerman
Being weightless in space seems so exciting. Astronauts bounce about
6 answers
asked by
hhghhgghg
1,696 views
A(n) is created by passing current through a coil of wire wrapped about an iron core.
a permanent magnet b motor c electromagnet
3 answers
asked by
A
260 views
based on the excerpt which of the following statements can be inferred
10 answers
asked by
Todoroki
2,174 views
suppose you are an astronaut making a space walk outside your space station when your jet pack runs out of fuel. How can you use
10 answers
asked by
Katsa
6,480 views
How does a reverse osmosis water purification system operate?
-Untreated water is subjected to low pressure, causing it to move
7 answers
asked by
Pleasehelp
824 views
How has the development of organoids helped in treating snakebites?(1 point)
5 answers
asked by
вававооеу
913 views
What are some Positive effects of Genetic Engineering and Negative effects of Genetic Engineering.
5 answers
asked by
DJ
3,786 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
1,604 views
An amplifier has a 50 watt output and a 5 watt input. What is the gain in decibels for this amplifier, rounded to the nearest
4 answers
asked by
Anonymous
8,726 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
5,782 views
PLS HELP WITH A
Alternative Energy Sources Quick Check
11 answers
asked by
astral
1,323 views
Why are alloys used to make coins rather than the pure metal?
4 answers
asked by
Lucy
1,119 views
Water towers store water above the level of consumers for times of
heavy use, eliminating the need for high-speed pumps. How high
3 answers
asked by
Mohanad
1,775 views
What is nanotechnology ? write some application of nanotechnology.
1 answer
asked by
Torpa
42 views
Ava was a young woman who lived in one of the impoverished areas of the Earth. Her dream was to become an astronaut and explore
9 answers
asked by
Help test
66 views
Which of the following is typically part of the knowledge base of research and development scientists working on heating devices
6 answers
asked by
I hate science
1,145 views
What is an earth tag washer
1 answer
asked by
Gift
120 views
How does combustion occur in a gas engine of a car?
2 answers
asked by
ray
185 views
What is the rate of dissolving
In natural science and technology
4 answers
asked by
Charity
73 views
How did Samuel F.B. Morse use his artistic ingenuity to create more efficient telegraph machine?
1 answer
asked by
Janijah
158 views
What type of simple machine is crossbar?
7 answers
asked by
Zara
113 views
The vertical drop of a roller coaster is the largest difference in height between any high point and the next low point. The
7 answers
asked by
Joe
1,882 views
explain the influence of modernization on traditional science and technology
7 answers
asked by
Anonymous
1,889 views
Company X tested its light bulbs to see how long they would last. On a production line, 2,500 bulbs were taken and tested. The
30 answers
asked anonymously
225 views
What can be done to improve the efficiency of a ramp?(1 point)
Responses Smooth the surface. Smooth the surface. Insulate the
1 answer
asked by
HELP ME!
181 views
The technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called(1 point)
Re
20 answers
asked by
hfbehf
516 views
Company X tested its light bulbs to see how long they would last. On a production line, 2,500 bulbs were taken and tested. The
4 answers
asked by
Math
350 views
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
351 views
Electrical Energy Properties Quick Check
PLZ HELP I NEED ANSWERS!!
4 answers
asked by
CookieCupcakes
352 views
Flammable materials
3 answers
asked anonymously
314 views
What causes a maglev train to hover above the track?(1 point)
Responses repellant magnetic force repellant magnetic force
4 answers
asked by
456789
193 views
Why are lie detector tests not always accurate? (1 point) Responses
A. Test subjects can manipulate the tests by remaining calm
2 answers
asked by
I hate school
175 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
199 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
198 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
433 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
4,922 views
Electric bulb is Marked 60 watts 120 volt what is the resistance of filament of bulb
4 answers
asked by
Sunny
5,470 views
What is accomplished by a simple pulley?
A.) It changes the distance of the pull needed to lift the object. B.) It changes the
4 answers
asked by
goodog
468 views
What is the NASA Star Finder used for?
4 answers
asked by
pleasehelpidontwanttofail
8,870 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
3,714 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
3,953 views
What other challenges do you think there would be for engineers designing a spacecraft to travel to mercury?
6 answers
asked by
Angie
1,677 views
Suppose you are an astronaut spacewalking outside your spacecraft to repair a broken part. In fixing the part, you have drifted
4 answers
asked by
Ali
1,963 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
1,056 views
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