The magnitude of the electric field at the midpoint between the fixed electron and proton can be found using the formula:
[tex]E = k*q/r^2[/tex]
where k is Coulomb's constant (k = 9 × 10^9 N⋅m^2/C^2), q is the charge of the particle producing the electric field (in this case, either the electron or proton), and r is the distance between the charged particle and the point where the electric field is being measured (which is the midpoint in this case).
Since the electron and proton have equal and opposite charges (e = 1.6 × 10^-19 C and -e = -1.6 × 10^-19 C, respectively), the net charge at the midpoint is zero. Therefore, the electric field at the midpoint is zero.
Mathematically, we can show this as follows:
[tex]E = k*q/r^2 = (9 × 10^9 N⋅m^2/C^2) * (1.6 × 10^-19 C) / (0.949 × 10^-6 m)^2[/tex]
E = 2.31 × 10^-6 N/C
However, since the charges at either end of the separation distance are equal and opposite, they create equal and opposite electric fields at the midpoint. Thus, the net electric field at the midpoint is zero.
Therefore, the direction of the electric field at the midpoint is undefined, since there is no net electric field there.
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Question pic
(Will make brainliest)
Answer:
c
Explanation:
Answer:
a and c
Explanation:
Bill is experimenting with two simple machines. How will he know which
machine is more efficient?
O It will use less force to do the same amount of work.
O It will use more force to do the same amount of work.
O It will be lighter and stronger than the other simple machine.
It will not be possible to tell which simple machine is more efficient.
What is the most basic level of biological organization?
Question 1 options:
Organism
Cell
Molecule
Atom
Answer:
molecule
Explanation:
Answer:
c
Explanation:
What type of energy does photosynthesis turn energy from the sun into?
Explanation:
it turn into chemical energy
3- Given 90.0 g C6H1206
a- How many moles of Glucose are present in 90.0 g of glucose?
molar mass = 180.18
//
[tex]90.0 \: g \times \frac{1 \: mol}{180.18 \: g} = 0.4995004995 \: mol[/tex]
[tex] = 0.500 \: mol[/tex]
The process by which organisms makes more
organisms like themselves is called
Answer:
Reproduction
Explanation:
Reproduction is the biological process by which new “offspring” (like organisms) are produced from their “parents" (the original organism)
Which of the following ideas is NOT accepted as true according to today’s atomic theory?
a. Atoms are the basic unit of matter
b. Electrons move in circular
paths around the nucleus
c. Protons, electrons, and neutrons are smaller than the atom
d.The nucleus has charged and uncharged particles
Answer:
D
Explanation:
how can u launch make the model spacecraft move without touching it
Answer:
How can the launcher make the model spacecraft move without even touching it? ...
Magnetic forces can attract or repel objects at a distance. ...
They explore attracting and repelling forces with magnets and with the simulation. ...
Magnetic forces can convert potential energy stored in the magnetic field to kinetic energy.
Explanation:
The launcher can launch the model spacecraft by exerting a magnetic force.
Magnetic force is a force just like gravity that can act across a distance without touching the object that is attracted by it. It should be noted that magnetic attraction is a pulling force.
Therefore, since the launcher wants to make the model spacecraft move without touching it, a magnetic force should be exerted on it. The magnetic force can act as the distance that's required for the objects to move.
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Fill in the blank...
Each element is made up of only one kind of ________
You start with 100mL of 14M HNO3 and 10grams of copper metal. How many moles of the nitrogen dioxide gas will be produced?
Answer:
0.316 moles are produced.
Explanation:
We state the redox reaction:
4HNO₃ + Cu → Cu(NO₃)₂ + 2NO₂ + 2H₂O
We need to determine the limting reactant:
0.1 L . 14 M = 1.4 moles
10 g . 1mol/ 63.54g =0.158 mol
Cu is the limiting reactant. Let's see
4 moles of acid need 1 mol of Cu to react
1.4 moles of acid may react to (4 . 1) / 1.4 = 0.35 moles
We do not have enough Cu.
1 mol of Cu can produce 1 mol of NO₂
Then 0.158 moles will produce, 0.316 moles. (double of moles)
If we see stoichiometry, ratio is 1:2
What does the illustration indicate?
Answer: A
Explanation:
A permanent alteration in the DNA sequence that makes up a gene is called am
Mutation
Germline
Meiosis
Evolution
Answer:
Gene mutation
Explanation:
A gene mutation is a permanent alteration in the DNA sequence that makes up a gene, such that the sequence differs from what is found in most people. Mutations range in size; they can affect anywhere from a single DNA building block base pair to a large segment of a chromosome that includes multiple genes
How many electrons are transferred when Be and O bond?
02
0
3
4.
Look at picture
ASAP please will mark as brainlist don’t got much time
Answer:
2 electron are transferred when Be and O bond formed
Answer:
2 is the answer:)))))))))
what is biopolymer ?
Answer:
Biopolymers are natural polymers produced by the cells of living organisms. Biopolymers consist of monomeric units that are covalently bonded to form larger molecules. There are three main classes of biopolymers, classified according to the monomers used and the structure of the biopolymer formed: polynucleotides, polypeptides, and polysaccharides.
Explanation:
Question 8
Using Henry's Law: Sz/P1-S2/P2
To increase the solubility of a gas at constant temperature and 202kPa pressure from
0.85g/L to 5.1g/L, the pressure would have to be increased to:
A.505kPa
B.17.2kPa
C.606kPa
D.1212kPa
Answer:
D
Explanation:
plug the numbers
What type of weathering creates a granite Tor?
Physical or
Chemical or
Biological
Answer:
Physical
Explanation:
Physical weathering is defined as the geological process in which rocks are broken down but there is no change in their chemical composition.
Granite tor are the rock masses above the ground surface which are associated with granites
Granite Tor is an example of physical weathering as they formed by freeze–thaw weathering. Granite tor are formed when magma present in the crust cools down and form batholith. Rocks above batholith gets erodes and left the batholith to expose.
Hence, the correct answer is "Physical weathering'.
The melting of metamorphic or igneous rock forms what substance? How? Why?
Answer: Metamorphic rocks form by recrystallization of either igneous or sedimentary rocks,
Explanation:
Look at the image below:
Pain Reyne
Ben Francia
Les Trans
01 Juan Bautista
Pents
SAN
PEAS FAULT
NORTH AMERICAN PLATE
CIRC PLATE
Carina
What type of plate boundary is shown here?
O convergent
divergent
transform
Answer:
Transform
see image below:
c) A football feels hard on a hot day but feels softer in the evening
Answer: ^_^
Explanation:
its because during day time the ball becomes heated up and the air inside it try to come out as the heat air always try to go up swelling up the ball,
so in the evening when the air cools down the ball too cools down and air inside it also cools down making the ball feel soft,
Therefore, a football feels hard on a hot day but feels softer in the evening
Hope it helped u,
pls mark as the brainliest
^_^
Answer:
its because during day time the ball becomes heated up and the air inside it try to come out as the heat air always try to go up swelling up the ball,
so in the evening when the air cools down the ball too cools down and air inside it also cools down making the ball feel soft,
Therefore, a football feels hard on a hot day but feels softer in the evening
Hope it helped u,
pls mark as the brainliest
Explanation:
Why are red blood cells red
Red blood cells are red because they contain Haemoglobin
MARKING BRAINLIEST
options: Tempature
solid
melting point
time
condensation point
gas
freezing point
liquid
boiling point
Answer:
I LIKE TRAINS
Explanation:
SNAILS ARE YUMMY
How many calories of heat are required to raise the temperature of 225g of water from 10.5°C to 43.7°C
How is humility related to air pressure
Answer: Edmentum question:
The following graph shows the barometric pressure over the course of the day in Bellingham. What effect will this trend likely have on cloud cover and precipitation over the city?
a scatter plot showing the barometric pressure of an area, with air pressure on the y-axis and time on the x-axis
Explanation: edmentum answer:
In the graph, barometric pressure is decreasing. The drop in pressure represents a low-pressure system. This type of system will cause an increase in cloud cover and precipitation.
which of the substance changes when it is heated
A . mass
B . volume
C . weight
D . brass
Answer:
mass
Explanation:
Answer:
The answer is C.
Explanation:
If you have absolutely identical objects that have the same weight exactly when they are at the same temperature, then when one object is heated, it will weigh more.
Hope this helps :)
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What is the volume of a gas at 20°c
If its orginal volume at 60°C
is 300 cm?
Explanation:
Using Charles law;
V1/T1 = V2/T2
Convert your temperatures to kelvin;
20+273=298k
60+273=333k
Then put the values the formula stated above
300/333 = V2/298
Make V2 the subject of the formula
V2= (300×298)/333
V2= 89400/333
V2= 268.47cm
The F1-ion is classified as a(n).
and has:
A.anion, 1 valence electron
B.anion, 8 valence electrons
C.cation, 2 valence electrons
D.cation, O valence electrons
Answer:
B
Explanation:
The [tex]\rm \bold{F^1^-}[/tex] is the fluorine anion with 8 valence electrons. Hence, option B is correct.
An ion is defined as the atom with the change in the valence electrons by the loss or gain of electrons to complete the outer shell.
What type of ion is [tex]\rm F^1^-[/tex]?The ions with the gain of electrons result in a negative charge and are termed anions. The ions with a loss of electrons have a positive charge and are termed cations.
The F is the halogen atom of group 17 with 7 valence electrons. The ion formed for F requires 1 electron to complete its valence shell.
The ion [tex]\rm F^1^-[/tex] has a negative charge, which denotes it gains an electron and forms anion.
The gain of electrons results in the number of valence electrons being 8.
Thus, [tex]\rm F^1^-[/tex] is the fluorine anion with 8 valence electrons. Hence, option B is correct.
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lithium electron configuration
Answer:
Dalam fisika atom dan kimia kuantum, konfigurasi elektron adalah susunan elektron-elektron pada sebuah atom, molekul, atau struktur fisik lainnya. Secara formal, keadaan kuantum elektron tertentu ditentukan oleh fungsi gelombangnya, yaitu sebuah fungsi ruang dan waktu yang bernilai kompleks.
#semogamembantu
¿Qué es la ciencia? ¿Qué importancia tiene la ciencia para el desarrollo de la humanidad y de la vida? AYUDA PORFAAAAAAAA
Explanation:
La ciencia puede entenderse como una forma que el ser humano encontró para adquirir conocimientos a través de métodos científicos, tecnológicos y basados en estudios, pruebas e investigaciones y no basados en el pensamiento para explicar los fenómenos humanos, de la naturaleza y de la vida.
La ciencia tiene un rol impactante y transformador en la sociedad, todo el conocimiento adquirido por el hombre a través de la ciencia ha transformado para mejor la vida de las personas, generando mayor calidad de vida, salud, educación, sentido crítico, etc.
En el escenario pandémico que vive el mundo actualmente, la ciencia es fundamental, a través de sus estudios e investigaciones que han ayudado en el desarrollo de vacunas efectivas para inmunizar a los humanos contra el virus y salvar vidas.
Please help fast, I will give brainliest.
Answer:
B
Explanation:
How is wind energy more environmental friendly than heat energy?
Answer:
Wind is an emissions-free source of energy
Overall, using wind to produce energy has fewer effects on the environment than many other energy sources. Wind turbines do not release emissions that can pollute the air or water (with rare exceptions), and they do not require water for cooling.
Explanation: