Two students are experimentinh with magnets. When they first try to put the magnets together, the magnets repel each other. When one student flips over her magnet, the magnets suddenly snap together. Which fundamental force are the students observing?
A. electromagnetic
B. gravitational
C. strong nuclear
D. weak nuclear
Pleasee help me pwease
Answer:
faults, tell me if im wrong.
You read that light waves travel through air and water at different speeds. What is one way this can affect what you see around you?
Answer:
light waves slow down in water.
Explanation:
light can reflect off of different surfaces, and in water they slow down.
for example, in a completely black room, the light cannot bounce/reflect off of the walls, that's why it is so dark.
hope this helps!
The Light travels faster in air than it travels in water.
The speed of light decreases when it enters from a rarer medium to denser medium and increases when it enters from a denser medium to rarer medium. Therefore, the speed of light increases when light ray passes from water to air and the speed of light decreases when light ray passes from water to glass.When the light wave moves from air to water, it slows down. This change in speed causes the light wave to bend.Learn more:
https://brainly.com/question/20623256
Which of the four fundamental forces is responsible for holding together the molecules of the pizza dough as it is spinning in the air?
Answer:
None.
Explanation:
Molecules are formed by an element's need or excess of electrons. For example, in nature oxygen generally exists as 02. Other molecules are formed via chemical reaction. The example here is the burning of gasoline. Gasoline's two main byproducts are water and carbon dioxide.
Hydrogen as an atom has one electron making it unstable. Put a second hydrogen atom next to the first and the two atoms will share electrons to fill the first energy level the atom needs to be stable.
I WILL GIVE BRAINLYEST AND LOTS OF POINTS
Answer:
Not alot of points bitc-
Explanation:
A non-polar molecule is:
a. easily dissolved in water AND uncharged.
b. easily dissolved in water AND charged.
unlikely to dissolve in water AND charged.
d. unlikely to dissolve in water AND uncharged.
C.
Answer:
A
Explanation:
A nonpolar molecule has no separation of charge, so no positive or negative poles are formed. In other words, the electrical charges of nonpolar molecules are evenly distributed across the molecule. Nonpolar molecules tend to dissolve well in nonpolar solvents, which are frequently organic solvents.
Ms. Bristol measured the mass of a closed beaker containing several ice cubes. The mass was 100 grams. An hour later, after the ice cubes had melted, Ms. Bristol measured the mass of the beaker again. What was the mass of the beaker of water the second time?
Answer:
100
Explanation:
Define the following terms: a) Heating effect of electric current b) Magnetic effect of electric current. c) Electric fuse. d) Transpiration e) Electromagnet
Answer:
Heating effect of electric current: When an electric current is passed through a conductor, it generates heat due to the hindrance which is caused by the conductor to the flowing current.
Magnetic effect of electric current: When a compass is brought near a current carrying conductor the needle of compass gets deflected because of flow of electricity. That's an example of magnetic current.
Electric Fuse: An electric fuse is a safety device used to limit the current in an electric circuit.
Transpiration: Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers.
Electromagnet: An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.
Explanation:
The image on the right was produced by a computer. It shows a complex molecule consisting of many atoms. What would be an advantage of using a computer to create a model like this, instead of building it by hand?
There was a head-on collision between a compact hybrid car and a SUV.
According to Newton’s 3rd law, the force exerted on each other is the same.
So, why are people in the smaller car more likely to get injured than those in the large one, assuming both cars are equally strong?
Vocabulary: inertia, mass, acceleration, force, unbalanced, balanced, Newton's 2nd Law
Answer:
hey im back
Explanation:
The reason behind why people in the smaller car are more likely to get injured than those in the large one is greater acceleration of the small car.
What is acceleration?Acceleration is rate of change of velocity with time. Due to having both direction and magnitude, it is a vector quantity. Si unit of acceleration is meter/second² (m/s²).
When There was a head-on collision between a compact hybrid car and a SUV, according to Newton’s 3rd law, the force exerted on each other is the same. But .
As from Newton's 2nd Law, we know that numerical value of force is simply multiplication of mass and acceleration. So, due to having small mass, smaller car suffers more acceleration for same amount of unbalanced force.
This acceleration acts against current inertia of motion of both cars and try to change it. As small car has greater acceleration, people in the smaller car are more likely to get injured than those in the large one although both cars are equally strong.
Learn more about acceleration here:
brainly.com/question/12550364
#SPJ2
Which of the following statements about colloids is FALSE?
(1 Point)
a. A colloid contains particles smaller than those in a suspension but larger than those in a solution.
b. A colloid does not settle out, because the particles are constantly tossed about by the movement of the liquid
particles.
c. A colloid is not a true solution.
d. A mixture of sand and water is an example of a colloid.
Answer:
b
Explanation:
Do the same forces that cause tides in the ocean also affect the solid Earth?
If so then what are some pieces of evidence that this is true
Answer:
no the moon does the tides. And i think tectonic plats and volcanos and a bunch of other stuff affect the earth
Explanation:
mOoN jhghyhtjghyttjgtrfgjtrkejrf4ffh6
Based on the images seen here, identify which phase of matter would transmit sound waves the fastest, and why?
(9) _______________________ energy from gas, oil, or coal provides(10)_____________________ energy to water to produce steam. A turbine changes the energy of the steam into the (11) _______________________ energy of the rotating turbine and generator. The generator converts this energy into (12)_____________________ energy. The lamp is an energy converter, changing (13) _______________________energy to (14) ______________________ energy
9= chemical 10= thermal/heat 11= mechanical 12= electrical 13= electrical 14= radiant/light are the correct terms.
What is thermal energy?Thermal energy is the energy released by a substance whose molecules and atoms vibrate quicker as the temperature rises.
We get chemical energy from gas, oil, or coal.We use thermal energy to produce steam by heating the water.We get mechanical energy from the rotating turbine and generator.We can electrical energy to lighten the electric lamp.The electrical energy changes to radiant/light energy.(9)chemical energy from gas, oil, or coal provides(10) thermal/heat energy to water to produce steam. A turbine changes the energy of the steam into the (11) mechanical energy of the rotating turbine and generator. The generator converts this energy into (12)electrical energy. The lamp is an energy converter, changing (13) electrical energy to (14) radiant/light energy.
Thus, 9= chemical 10= thermal/heat 11= mechanical 12= electrical 13= electrical 14= radiant/light are the correct terms.
Learn more about the thermal energy here:
https://brainly.com/question/11278589
#SPJ2
Sound travels fastest through
Answer: sound travels fastest only through solids.
A toy train engine rests motionless on a track. One student begins pushing the engine to the right with a force of 2 newtons. At the same time, another student begins to push the engine to the left with a force of 5 newtons. Which of the following best describes the motion of the engine?
a
It travels left at a constant speed.
b
It travels left at an increasing speed.
c
It travels right at a constant speed.
d
It travels right at an increasing speed.
The motion that best describes the statement in the question will be that it travels to the left at an increasing speed. Hence, option B is correct.
What is Force?A force in physics is an input that has the power to change an object's motion. A mass-containing object's velocity can vary, or accelerate, as a result of a force. Intuitively, a push or a pull can also be used to describe forces. Being such a vector quantity, a force does have magnitude and direction. The SI unit metric newton is used to measure it (N). The letter F stands for force.
According to Newton's second law's original formulation, an object's net force is equal to the speed that its momentum is changing over time.
As per the given information in the question,
The first student pushes the engine to the right with a force of 2 N.
The second student pushes the engine to the left with a force of 5 N.
So, the net force will be,
5 N - 2 N = 3 N, towards the left side.
To know more about the Force:
https://brainly.com/question/13191643
#SPJ2
For each data set, which aspect of the data is likely to cause evidence obtained from it to be inconsistent?
Data Set I: 190, 315, 198, 194, 200, 195, 540, 201, 197, 193 (“correct” value = 195)
Data Set II: 50, 49, 48, 51, 52, 50, 50, 49, 51, 53 (“correct” value = 65)
Data Set III: 12, 18, 9, 13, 14, 19, 11, 20, 19, 12 (“correct” value = 15)
Answer:
part 1: outliers
part 2: lack of accuracy
part 3: lack of precision
Explanation:
What happens to light when it is shone through concave lenses? (1 point)
O Light shone through concave lenses spreads out, or diverges.
O Light shone through concave lenses comes together, or converges, on a single point.
O Light shone through concave lenses spreads out, or converges.
O Light shone through concave lenses comes together, or diverges, on a single point.
What resource is NOT renewable? Air Water Sunlight coal
Answer:
What resource is NOT renewable? Air Water Sunlight or Coal?
The answer is Coal
Based on the images seen here, identify which phase of matter would transmit light waves the fastest, and why?
Answer: the 3rd one
Explanation:
HELP WILL MARK U BRAINLESIST
A 20 pound barbell is brought from earth to the International Space Station(ISS). How does this trip affect the
gravitational force between the two ends of the barbell? Assume the distance between the barbell end masses does not
change.
-I
11-
A The gravitational force between the ends increases.
B The gravitational force between the ends decreases.
The gravitational force between the ends remains the same.
D The gravitational force between them decreases by one half.
The gravitational force between them doubles.
Answer:
B The gravitational force between the ends decreases
Explanation:
Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces.
How many basic locomotor skills are there?
Define the following terms: a) Heating effect of electric current b) Magnetic effect of electric current. c) Electric fuse. d) Transpiration e) Electromagnet
Please answer ASAP, the one who is the correct will get brainliest
Explanation:
heating .....- The reason behind the heating effect of electric current is when the current passes through a conductor the electrons have to face the resistance of the conductor which results in the loss of energy and this loss of energy gets converted into heat energy.
magnetic.......- Magnetic effect of electric current - " The production of magnetic field around a conducting wire when electric current is allowed to flow through it, is called magnetic field of electric current."
electric...... - The fuse is a device used in an electrical circuit for protecting electrical devices against overloads and short circuit. It is the simplest and cheapest devices used for interrupting an electrical circuit under short circuit or excessive overload current magnitudes.
transpiration... - the process of water passing out from the surface of a plant or leaf
electromagnet... - a soft metal core made into a magnet by the passage of electric current through a coil surrounding
It is very much like, please write and follow
Select the two true statement about a free body diagram
1.) The arrow pointing down represents the force of gravity, and the arrow pointing up represents the force of the ground pushing back on the box
2.)The net force is unbalanced
3.)Gravitational force is pushing up on the box and the force of the ground is pushing down
4.)The net force is equal to zero
Answer: 1and4
Explanation:
What conclusion would you draw if a seismogram from a particular seismic station showed only P waves?
Answer:
The Earthquake occurred on the other side of the Earth
Explanation:
One of the main difference between P-waves and S-waves is that P-waves can travel through solids and liquids, while S-waves can only travel through solids. They are not able to travel through liquids.
So, if a seismic station showed only P waves, it means that there was some area in liquid state between the seismic station and the hypocenter of the earthquake. Inside the Earth, the outer part of the core is made of liquid, so this means that there outer core was along the line connecting the seismic station and the hypocenter and "blocked" the S-waves: therefore, the earthquake occurs on the other side of the Earth.
Choose the sequence of energy forms that best fits each item
_______ 1. Flashlight
a. chemical energy electrical energy light energy_______ 2. Electric Saw
b. electrical energy thermal energy _______ 3.Toaster
c. electrical energy mechanical energy _______4. Gas-Powered Scooter
d. mechanical energy electrical energy _______5. The Sun
e. mechanical energy sound energy _______6. Wind Turbine
f. chemical energy electrical energy sound energy _______ 7. iPod
g. chemical energy thermal energymechanical energy_______ 8. Speaker Vibrates h. nuclear energy light energy and heat energy
I hope its help for you
have a great day
WILL GIVE THAT CROWN THINGY!
Why does the total amount of energy remain constant in the law of conservation of energy?
Thanks
Define the following terms: a) Heating effect of electric current b) Magnetic effect of electric current. c) Electric fuse. d) Transpiration e) Electromagnet
Answer:
A.) When an electric current is passed through a conductor, it generates heat due to the hindrance caused by the conductor to the flowing current. The work done in overcoming the hindrance to the current generates heat in that conductor.
B.) The magnetic effect of electric current is known as electromagnetic effect. It is observed that when a compass is brought near a current carrying conductor the needle of compass gets deflected because of flow of electricity. This shows that electric current produces a magnetic effect
C.) An electric fuse is an electric device which interrupts the flow of current in an electric circuit. It is installed in a circuit to stop the flow of excessive current. A fuse is usually a short piece of wire. Normally an alloy of tin and lead is used as the fuse wire, as it has high resistivity and low melting point.
D.) the act or process or an instance of transpiring especially : the passage of watery vapor from a living body (as of a plant) through a membrane or pores.
E.) An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole, denoting the centre of the coil.
What part of "I'm doing my work and trying my hardest to get my work done" do parents not understand?
My mom went through my computer and found a lot of missing assignments. I've been explaining that i've been trying my best to get the work done but her and my dad just don't believe me at all and i'm very tired of telling them. WHO ELSE HAS THIS PROBLEM?
Answer:
lol no kidding except they constantly make me watch my sibs then I get behind
Explanation:
then they wonder y I am far behind. they say that I cant blame it on the baby's like what!
Answer:
OMG THAT IS SO ANNOYING
MEE
Please help me I really need it as soon as possible
Answer:
Option 3
Explanation:
Hope this helps
Answer:
I’m pretty sure it’s C. 8,000 m/s^2 south
hope dis helps ^-^
