Answer:
It does both. Once they get close enough the air does start to get charged, but then they eventually discharge when they touch.
Explanation:
In terms of forces, what makes the arrow start moving?
Answer:
the answer is A force is a push or pull that changes the motion of an object. Forces can make objects start or stop moving, cause objects that are already moving to speed up or slow down, or make objects change direction. Force arrows are used to represent both the magnitude and direction of forces.
Explanation:
hope this helps u stay safe
What will happen when the force on an object increase
Which is a true statement?
A.
Valence electrons play a key role in chemical reactions.
B.
The properties of elements in a group are identical.
C.
Hydrogen contains multiple valence electrons.
Answer:
C
Explanation:
1. When an object moves it acquires
(a) friction
(b) traction
(d) speed
(c) energy of motion
When an object moves it acquires energy of motion. An thing that is in motion gains energy of motion, often known as kinetic energy. The energy an item possesses as a result of its motion is known as kinetic energy.
The item accumulates kinetic energy when it moves faster or at a specific velocity. The mass and speed of the item affect the quantity of kinetic energy.
Kinetic energy is calculated as KE = 0.5 * mass * velocity * 2. Because of the direct connection between an item's speed and the energy required to move it, the kinetic energy of an object grows exponentially as its velocity rises.
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Please I need help!!! ASAP!!!
Do waves transfer matter?
Answer: Light energy only travels through empty space absent of mass energy and kinetic energy only travels through a medium full of mass energy. ... Waves don't transfer mass because mass is not the same as a wave. Mass can hold “extra” energy but it is that energy that moves through it as a wave, not the particle itself.
In a wave phenomenon, energy can move from one location to another, yet the particles of matter in the medium return to their fixed position. A wave transports its energy without transporting matter. Waves are seen to move through an ocean or lake; yet the water always returns to its rest position.
Explanation:
Why are cells important?
Answer:
Cells are the basic structures of all living organisms. Cells provide structure for the body, take in nutrients from food and carry out important functions. ... These organelles carry out tasks such as making proteins?, processing chemicals and generating energy for the cell.
Explanation:
Answer:
Cells make up all the parts of your body, and we need different ones to make different parts, like bones, blood, and skin. Without them, humans, along with plants and animals, would not exist.
Explanation:
The white disks in the petri plates are soaked in herbicide, which affects the roots, stalks, leaves, and cobs of a corn plant. If the transformed plants were grown in the presence of herbicide, which corn plant would result from the choices shown below?
A. Corn plant A.
B. Corn plant B.
C. Corn plant C.
D. Corn plant D.
Answer: Corn Plant C
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9) Who was right about the atom, Bohr or Schrodinger?
Answer: Schrodinger
Explanation: because Schrodinger used mathematical equations to describe the likelihood of finding an electron in a certain position. This atomic model is known as the quantum mechanical model of the atom.
Schrodinger because Bohr's model was not completely correct, but it has many features that are approximately correct and it is sufficient for much of our discussion.
Describe the relationship between the direction of the velocity vector and the direction of the acceleration for a body moving in a circle at constant speed.
As SCUBA divers go deeper underwater, the pressure from the weight of all the water above them increases tremendously which compresses the gases in their blood. What happens to the volume of gas in their blood as the diver rises quickly to the surface?
A.
As a diver rises, the pressure on their body decreases which allows the volume of the gas to decrease.
B.
As a diver rises, the pressure on their body increases which allows the volume of the gas to decrease.
C.
As a diver rises, the pressure on their body decreases which allows the volume of the gas to increase.
D.
As a diver rises, the pressure on their body increases which allows the volume of the gas to increase.
Answer: A.
As a diver rises, the pressure on their body decreases which allows the volume of the gas to decrease.
Explanation:
The problem is that a diver, experiences an increased pressure of water compresses nitrogen and more of it dissolves into the body. Just as there is a natural nitrogen saturation point at the surface, there are saturation points under water. Those depend on the depth, the type of body tissue involved, and also how long a diver is exposed to the extra pressure. The deeper a diver go, the more nitrogen the body absorbs.
The problem is getting rid of the nitrogen once you ascend again. As the pressure diminishes, nitrogen starts dissolving out of the tissues of the diver's body, a process called "off-gassing." That results in tiny nitrogen bubbles that then get carried to the lungs and breathed out. However, if there is too much nitrogen and/or it is released too quickly, small bubbles can combine to form larger bubbles, and those can do damage to the body, anything from minor discomforts all the way to major problems and even death.
I need help if you can help me to get 10 points.
Answer:
It allows the reader to feel more connected to her purpose
Explanation:
If Cooper is using personal examples for her argument, she is allowing the reader see more of her point of view, which can also lead them to feel connected to her purpose
what are the 2 processes involved in parents passing on their genes?
Answer:Chromosomes are passed from parents to offspring via sperm and eggs. The specific kind of chromosome that contains a gene determines how that gene is inherited.
Explanation:
What can happen if the excretory system doesn't work properly ?
which animal is prey to an owl in the food web pictured here?
Answer is D: mouse
explanation: not sure
Explanation: Usually in food webs there is an arrow going from the prey to its predator that shows the transfer of energy so that is how you know what the prey to the owl is
hope this helps
Answer:
MOUSE
Explanation:
In a science experiment showing the splitting of water into Oxygen and hydrogen, two inverted test tubes of water were placed over the site of the reaction. (see the pic) How can you tell which one was catching the oxygen and which one was catching the hydrogen? Question 4 options: The hydrogen is a positive ion and will be located close to the negative terminal of the battery. The oxygen is a negative ion which will be located next to the negative terminal of the battery. There are 2 hydrogen atoms for every oxygen atom. The hydrogen will take up more space and is pushing the water lower in the test tube. The hydrogen, being a smaller atom, will take up less space than the oxygen. It will push the water down less.
Answer:
There are 2 hydrogen atoms for every oxygen atom. The hydrogen will take up more space and is pushing the water lower in the test tube.
Explanation:
To find out what water is made of, we may have to look at its chemical formula, which is H2O. This basically tells us that the water molecule is composed of two elements: hydrogen and oxygen or, more precisely, two hydrogen atoms (H2) and one oxygen atom (O). Hydrogen and oxygen are gases at room temperature. Splitting water into its two components is much easier to do by a process called water electrolysis. Making hydrogen or oxygen this way seems simple. In water electrolysis, the source of energy used is electricity. An easy way to generate electricity is with a battery. Because pure water is not good at conducting electricity, however, electrolysis requires the addition of an electrolyte, such as salt or acid. The electrolyte dissolves in water and separates into ions (electrically charged particles) that move through the solutions and are able to conduct electricity this way.
As electrolysis progresses, the water level at the negative terminal becomes about half that of the positive terminal, meaning that we have collected double the amount of hydrogen gas compared with oxygen. The difference is due to the fact that one water molecule has two hydrogen atoms to one oxygen atom, as explained above. This means it takes two water molecules (2 H2O) to make one oxygen molecule (O2). At the same time, however, two molecules of water (2 H2O) can make two molecules of hydrogen (2 H2). Hence the answer.
the magnification priduced by a spherical mirror is +1/4.what type of image is formed?
Explanation:
As the magnification is positive , thus the image formed is inverted and real
Which of the following is a homogenous mixture?
Answer:
Blood
Explanation:
Homogenous means the same type and a box with toys, spaghetti and meatballs, and trail mix all have variety.
Answer:
B is the correct answer
In a physics motion study, students established a frame of reference for measurements. Which of the following is their most likely choice?
A. time since the beginning of the class period
B. mass as a ratio to that of the same volume of water
C. distances from two walls and the floor
D. temperature at the start of the motion
Which angle is the angle of refraction?
1
2
3
The angle of refraction is 3
The correct option is 3.
What is the angle of incidence and refraction?The angle formed at the point of incidence between the incident ray and the normal is called the angle of incidence. The angle formed between the refracted ray and the normal is called the angle of refraction. The angle of Incidence and Angle of Refraction.
What is N in Snell's law?As in reflection, we measure the angles from the normal to the surface, at the point of contact. The constants n are the indices of refraction for the corresponding media.
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Please help.
To which 2 systems does the heart belong:
A. Circulatory system and Respiratory system
B. Circulatory system and Muscular system
C. Circulatory system and digestive system
D. Circulatory system and Reproductive system
Answer:
A
Explanation:
circulatoy system and respiratory
Answer:
A
Explanation:
;3
Static electricity is an excess of neutrons.
A True
B. False
Answer: Static electricity is an excess of neutrons-FALSE
Explanation:
A P E X
Which one of the following statements about electric current is correct
Answer:
hey friend, you haven't mentioned the statements...
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how is work related to potential and kinetic energy?
Two identical speakers are 3.50 m and 5.20 m from a listener. What is the lowest frequency (n = 1) that would cause constructive interference there? PLS HELP!
For constructive interference the path difference must be an integer number of wavelengths. The lowest frequency for this would be the longest wavelength with the path difference equal to one wavelength.
Path length difference(m) = 5.20 - 3.50 = 1.70m.
λ =2m ⇒ f = v/λ
λ/2 =1.70
λ = 3.40m
Taking speed of sound as v = 340m/s:
f = v/λ = 340/3.40 = 100Hz.
What is constructive interference?"When two waves of identical wavelength are in phase, they form a new wave with an amplitude equal to the sum of their individual amplitudes."
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Answer:114
Explanation:
for Acellus
_____________ radiation is the least harmful type of radiation.
Alpha
Beta
Gamma
Explanation:
Alpha radiation is the least harmful type of radiation.
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Assemble the electromagnetic spectrum by dragging each piece to the correct place on the wavelength scale.
Answer:
long wave with a frequency of nos 10⁶ Hz, to radio waves
* order of 10⁸ Hz TV and FM
* in the 10⁹ to 10¹¹ Hz microwave range
* in the range of 10¹² to 10¹⁴ infrared waves, thermal energy
* in the range of 10¹⁴ visible light captured by humans
* for range 10¹⁵ to 10¹⁸ UV light
* in the range of 10¹⁶ to 10²⁰ X-rays
* for more than 10¹⁹ Hz cosmic rays
Explanation:
The electromagnetic spectrum is formed by transverse waves that are the oscillations of electric and magnetic fields
c = λ f
in general this spectrum is divided into range depending on the uses of the waves
from lower frequency to higher we have
* long wave with a frequency of nos 10⁶ Hz, corresponds to radio waves
* tv wave and modulated frequency, of the order of 10⁸ Hz, television and FM radio
* in the 10⁹ to 10¹¹ Hz microwave range
* in the range of 10¹² to 10¹⁴ infrared waves,
* in the range of 10¹⁴ visible light captured by humans
* for range 10¹⁵ to 10¹⁸ UV light
* in the range of 10¹⁶ to 10²⁰ X-rays
* for more than 10¹⁹ Hz cosmic rays
Answer:
long wave with a frequency of nos 10⁶ Hz, to radio waves
order of 10⁸ Hz TV and FM
in the 10⁹ to 10¹¹ Hz microwave range
in the range of 10¹² to 10¹⁴ infrared waves, thermal energy
in the range of 10¹⁴ visible light captured by humans
for range 10¹⁵ to 10¹⁸ UV light
in the range of 10¹⁶ to 10²⁰ X-rays
for more than 10¹⁹ Hz cosmic rays
Explanation:
Find the acceleration of a car with the mass of 1,200 kg and a force of
11 x 103 N.
a
9.2 m/s2
b 5 m/s2
c 2 m/s
d 10 m/s2
Answer:9.17 m/s^2
Explanation:
mass=1200kg
Force=11 x 10^3 N
Acceleration=force ➗ mass
Acceleration=11 x 10^3 ➗ 1200
Acceleration=9.17
Acceleration=9.17 m/s^2
What does the term “retroperitoneal” mean in the terms of the location of the kidneys ?
Answer:
"Retroperitoneal" refers to the back of the peritoneum, the membrane that lines the anatomical space in the abdominal cavity. Kidney stones may cause pain to the organs within the retroperitoneal space. A diagram of the aorta, a retroperitoneal structure.
Explanation:
A Physics question regarding circuits and electricity.
What is the resistance of a 6.0 m long gold wire (ρgold = 5.6 x 10 -8 Ω-m) whose cross-sectional area is 5x10 -7m 2 ? (Please show some work)
Answer:
R =0.672 ohms
Explanation:
We have,
Length of a gold wire is 6 m
Resistivity of gold is [tex]5.6\times 10^{-8}\ \Omega-m[/tex]
Area of cross section of the wire is [tex]5\times 10^{-7}\ m^2[/tex]
The resistance of a wire is given by the relation as follows :
[tex]R=\rho\dfrac{l}{A}\\\\R=5.6\times 10^{-8}\times \dfrac{6}{5\times 10^{-7}}\\\\R=0.672\ \Omega[/tex]
So, the resistance of the gold wire is 0.672 ohms.
