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Science and Technology
Page 2
Questions (7,257)
How does a maglev train move forward?(1 point)
Responses Magnets in the sides of the tracks constantly repel and attract magnets
4 answers
asked by
456789
258 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
442 views
Which describes the process of injecting fluids into cracks of rocks to recover oil deposits?(1 point)
drilling restoring
5 answers
asked by
cxus boom
748 views
What are some Positive effects of Genetic Engineering and Negative effects of Genetic Engineering.
5 answers
asked by
DJ
3,803 views
a hydrauli press has a ram of 30 cm diameter and plunger of 4.5cm diameter. find the the weight lifted by the hydraulic press
7 answers
asked by
sam
9,689 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
1,610 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
1,062 views
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
5,102 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
5,788 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
991 views
Why are alloys used to make coins rather than the pure metal?
4 answers
asked by
Lucy
1,123 views
Frequency is measured in Hertz. Which option best describes hertz?
A: The number of waves that pass a certain point within a
3 answers
asked by
Duck
741 views
An important property of fiber optic is
1 Degradation 2. Refraction 3. Radiation 4. Noise
3 answers
asked by
Usman atiq
129 views
What is nanotechnology ? write some application of nanotechnology.
1 answer
asked by
Torpa
44 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
43 views
Why do sound engineers use spongy materials on walls?
to absorb sound waves to increase the frequency of sound waves to transmit
1 answer
asked anonymously
108 views
What characteristic do tantalum and tin have in common?(1 point)
Responses mined in the United States and Canada mined in the
1 answer
asked by
What is the point where rivers change from broad,
19 views
What is the effect on the strength of an electromagnet when you increase the number of coils?
a The strength increases b The
1 answer
asked by
re
169 views
How does combustion occur in a gas engine of a car?
2 answers
asked by
ray
197 views
What is the rate of dissolving
In natural science and technology
4 answers
asked by
Charity
79 views
How did Samuel F.B. Morse use his artistic ingenuity to create more efficient telegraph machine?
1 answer
asked by
Janijah
163 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
1,889 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!
188 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
528 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
372 views
Electrical Energy Properties Quick Check
PLZ HELP I NEED ANSWERS!!
4 answers
asked by
CookieCupcakes
369 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
183 views
1.what name of procedure is used in fetal monitor to check blood
flow in placenta and uterus during prenatal checkup in relation
7 answers
asked anonymously
57 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
212 views
based on the excerpt which of the following statements can be inferred
10 answers
asked by
Todoroki
2,192 views
How can you use the sticky tape activity to find if an object has excess charge that can be transmitted to the computer and ruin
5 answers
asked by
Sarah
1,251 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
4,936 views
what can you use to tie up a spaceship
19 answers
asked by
Anonymous
11,332 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
6,493 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
3,961 views
Students perform an experiment using a circuit that contains the two parallel plate capacitors C1=10μF and C2=40μF. Come up
5 answers
asked by
Helen
2,585 views
If a gas is 9 times as heavy as hydrogen which diffuse faster and by what factor
5 answers
asked by
Hawah
2,780 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
2,907 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
3,649 views
The resistance of a given electric device is 46 ohms at 25°C. If the
temperature coefficient of resistance of the material is
4 answers
asked by
Dale
1,213 views
Who Discovered the First Singind and Dancing Hawk?
5 answers
asked by
Cameron
2,401 views
Mass and volume measurement
Lab report sample full.
4 answers
asked by
Keby
253 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
581 views
The Navstar Global Positioning System (GPS) utilizes a group of 24 satellites orbiting the Earth. Using "triangulation" and
4 answers
asked by
Claire
2,498 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
721 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
936 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
1,469 views
A shovel performs several different functions. One of these is that it gives mechanical advantage as a lever. When does it act
3 answers
asked by
Thee
172 views
In 1–2 sentences, explain how electromagnets move a maglev train.
4 answers
asked by
the real BARNY THE DINO :)
467 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 :)
329 views
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