Answer:
Option A needs more neutrons to gain enough nuclear binding forces to overcome the repulsion.Hope this answer helps.
Final answer:
As the number of protons in a nucleus increases, the nucleus requires more neutrons to stabilize the increased electrostatic repulsion between protons by increasing the nuclear binding force.
Explanation:
When an atom's nucleus gets larger with more protons, the electric charges repelling these protons also increase. To help stabilize the nucleus against this repulsion, it needs additional neutrons, which do not carry any electric charge, and provide additional nuclear binding forces to balance out the electrostatic repulsion between protons. The strong nuclear force between neutrons and protons is crucial to keep the nucleus intact, and it is stronger and shorter-ranged than the Coulomb force (electrostatic force) that causes repulsion between the positively charged protons.
Therefore, to compensate for the greater electric charge and maintain nuclear stability, an atom requires more neutrons, which adds to the nuclear binding force. This is most relevant for heavy nuclei, where neutrons greatly outnumber protons, to keep the repulsive forces at bay and the nucleus stable. For example, in heavier elements, stable isotopes typically have a greater number of neutrons than protons due to this requirement for a balanced nuclear force. In summary, the correct answer is:
A.) needs more neutrons to gain enough nuclear binding forces to overcome the repulsion.
Please help on these questions!!!
-- First question . . . first answer choice
-- Second question . . . second answer choice
-- Third question . . . third answer choice
The top speed you will ever need to go in a parking lot is_
A. 20 mph
6. 10 mph
C. 1 mph
D. 15 mph
Answer:
D
Explanation:
answer is D
Final answer:
The safest speed to drive in a parking lot is 10 mph. This speed ensures the safety of pedestrians and allows drivers to react to unexpected obstacles.
Explanation:
The top speed you will ever need to go in a parking lot is 10 mph. Parking lots are areas with high pedestrian traffic including children and pets, making it critical to drive at a slow, safe speed. The recommended speed limit ensures everyone's safety and gives drivers enough time to react to unexpected events or obstacles. It's important to always stay alert, avoid distractions, and be ready to stop quickly while navigating through parking lots.
Which of the following correctly pairs the subatomic particle with its charge?
Select one:
a. Proton—neutral
b. Proton—positive
c. Neutron—negative
d. Neutron—positive
Answer: b:
Explanation:
protons are positive,
electrons are negative,
and neutrons are neutral.
the amount of electrons to protons is always the same in a balanced atom.
electrons can be removed creating "ions" which is simply an unbalanced atom. removing protons would result in a different type of atom or element.
Taking into account the definition of neutron, electron and proton, the correct answer is option b. Proton - positive
The atom is defined as the smallest particle into which an element can be divided without losing its chemical properties.
Protons, neutrons, and electrons are the particles that make up the atom. These particles determine the characteristics and properties of the chemical elements.
The protons and neutrons are concentrated in the atomic nucleus, while the electrons are distributed in the crust or the periphery of the atom.
Neutrons have no net electric charge, unlike the proton which has a positive electric charge. Lastly, electrons have a negative electrical charge.
Then, the correct answer is option b. Proton - positive
Learn more:
https://brainly.com/question/22174900brainly.com/question/980691?referrer=searchResults brainly.com/question/1995443?referrer=searchResultsWhat happens to light when it passes through a lens?
A. Light reflects as it passes through the lens.
B. Light refracts as is passes through a lens.
C. Light diffuses as it passes through a lens.
D. Light scatters as it passes through a lens.
Answer:B the light refracts.
Explanation: a good example is an straw in a cup. When the light goes through the glass the straw looks broken an bigger
The length of a rope is 5 m. A standing wave on the rope has four nodes. what is the wavelength of the wave
The wavelength of the wave will be 2.5 m.
What is wavelength?The distance between two successive troughs or crests is known as the wavelength. The peak of the wave is the highest point, while the trough is the lowest.
The wavelength is also defined as the distance between two locations in a wave that have the same oscillation phase.
The formula for the length of the rope in relation to the node and wavelength is given by;
[tex]\rm L= \frac{n}{2} \lambda \\\\ \rm 5= \frac{4}{2} \lambda \\\\ \lambda=\frac{5}{2} \\\\ \lambda= 2.5 \ m[/tex]
Hence the wavelength of the wave will be 2.5 m.
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A cargo spacecraft has been launched to rendezvous with the International Space Station. The cargo ship must attain the same speed as the Space Station but maintain a distance of ten yards. As they orbit together, an arm from the Space Station will reach out the the cargo ship. Which oe of the four graphs represents the speed of the two objects as the orbit Earth?
A)
A
B)
B
C)
C
D)
D
Answer:
D
Explanation:
I did USA test prep a min ago
____ occurs when waves spread out and travel around obstacles or through openings in obstacles.
Answer:
diffraction
Explanation:
As you can see from the figure, sound waves spread out and travel around obstacles. This is called diffraction. It also occurs when waves pass through an opening in an obstacle.
Why do people have different centres of gravity?
What do fire investigators begin their search with?
O A.
The suspect
OB.
The point of origin
OC. The place with the most damage
D.
There is no general starting point
Reset
bext
Fire investigators begin their search with the point of origin, which is the location where the fire started. This helps them determine the cause of the fire and they can do this by examining damage patterns and looking for ignition sources.
Explanation:In the process of investigating a fire, fire investigators typically begin their search with the point of origin. The point of origin is the location where the fire started. It is the most critical area in any fire investigation as it helps in determining the cause of the fire. Locating the point of origin involves carefully examining the fire scene, observing patterns of fire damage, and often working backwards from the areas of least damage towards the areas of most damage. Once the point of origin has been located, the investigators then look for sources of ignition, fuels, and any potential accelerants that may have contributed to the spread of the fire.
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The general formula for an acid is
Answer:
To write the general formula for an acid, we fix one atom which is hydrogen because this atom is common to all the acids. General formula for acid is written by HX. where H represents Hydrogen atom.
Explanation:
The general formula for an acid is HA, where 'H' represents a hydrogen ion and 'A' is the conjugate base after the proton donation. Acid-base reactions follow the general equation of acid + base
ightarrow salt + water, and acids react with metals to form a salt and hydrogen gas.
The general formula for an acid in chemistry can be written as HA, where 'H' represents a hydrogen ion that can be donated, and 'A' represents the remainder of the acid molecule that forms the conjugate base after the acid donates its proton. When an acid reacts, such as in an acid-base reaction, it follows the equation acid + base → salt + water, which for a reaction with a metal hydroxide specifically becomes acid + metal hydroxide → salt + water. In the reaction of an acid with a pure metal, the general word equation is: acid + metal → salt + hydrogen gas. The type of salt and the details of these reactions can vary depending on the specific acid and other reactants involved.
Which of the following is NOT an appropriate acceleration unit?
A)year/day/mile
B)meter/sec/sec
C)mile/hour/sec
D)centimeter/sec/year
Answer:a
Explanation:
What is the medium of a mechanical wave?
A mechanical wave requires a medium to propagate, which can be any substance or material that can transmit the wave motion.
Explanation:In physics, a mechanical wave is a type of wave that requires a medium to propagate. The medium can be any substance or material, such as air, water, or a solid object, as long as it can transmit the wave motion.
For example, when you throw a stone into a pond, the ripples that spread out are mechanical waves. The water in the pond acts as the medium through which the wave is transmitted.
Other examples of mechanical waves include sound waves, which require a medium like air or water to travel through. So, in summary, the medium of a mechanical wave is the substance or material that carries the wave energy.
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A 75 kg bungee jumper jumps off with zero initial speed from a high cliff with a bungee cord tied to her ankle. At some time during the jump, the bungee cord starts stretching. The lowest point in her jump where the bungee cord is at maximum stretch is a total drop of 195 m . What is the elastic potential energy stored in the bungee cord at the instant she reaches this lowest point?
Answer:
The elastic potential energy PE=143.47kJ
Explanation:
This problem bothers on the potential energy stored in a material.
Given data
Mass of the bungee jumper
m= 75kg
Height of jump down the cliff h=195m
We know that the elastic potential energy stored is same as the potential energy of the bungee jumper
PE= 1/2kx²= mgh
Assuming g is 9.81m/s²
PE= 75*9.81*195
PE= 143471.25J
PE=143.47kJ
What is potential energy?
Potential energy is the energy possessed by a body by virtue of it position.
A space probe is being prepared for a deep-space mission. The engineers have divided the trip into five segments based on the required changes in motion, as noted in the table. During which parts of the trip must the engineers apply the principles of general relativity? (Note that the velocities are listed as a percentage of the speed of light, c. The direction is positive when moving away from Earth and negative when moving toward Earth.)
Planned Space Probe Mission
Trip segment Initial velocity (% c) Final velocity (% c)
A 0 +90
B +90 +90
C +90 -90
D -90 -90
E -90 0
A. Apply general relativity during segment B.
B. Apply general relativity during segment C.
C. Apply special relativity during segment A
D. Apply special relativity during segment E
General relativity involves accelerations (change in velocity), which occur in segments A, C, and E. The spacecraft is flying at a constant velocity (no acceleration) during segments B and D - special relativity would apply in these segments.
General relativity will be considered during the A, C and E part of the trip since the space probe will be accelerating then.
What is the theory of special relativity?The theory of special relativity is a theory which explains the relationships between speed, mass, time and space.
In special relativity, acceleration is not often considered
An example of special relativity is in time dilation.
General relativity applies to motion under gravity, and acceleration of objects are considered.
Therefore, general relativity will be considered during the A, C and E part of the trip since the space probe will be accelerating then.
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Which diagram represents the charge distribution
The electrocope is a device is used to detect the presence of charges. Image B shows the charge distribution in a neutral electrocope when a negative charge is brought near it
What is an electroscope?An electrocope is a device that is used to detect the presence of charges on the basis of electrostatic induction. The proceess involves bringing a charged body around an electroscope and watching out for the movement of the gold leaf.
The image that shows the charge distribution in a neutral electrocope when a negative charge is brought near it is image B.
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A fisherman notices that wave crests pass the bow of his anchored boat every 5.0 s. He measures the distance between two crests to be 12 m. How fast are the waves traveling
Answer:
may be 60m I think it's the correct answer
Which of the organisms listed below can be considered a pest?
a
fungi
b
insects
c
bacteria
d
rodents
e
all of the above
Answer:
d
Explanation:
rodents example the house mouse gnaw and spoil food stored by humans this they are considered as pests
Final answer:
All the listed organisms, including fungi, insects, bacteria, and rodents can be considered pests in various contexts, such as when they cause harm to agriculture, food storage, or health.
Explanation:
When assessing which of the organisms listed can be considered a pest, it is indeed correct to consider all of the above as potential pests. This includes fungi, insects, bacteria, and rodents. For example, fungi can cause diseases in plants (like the stem rust on barley), leading to significant agricultural damage. Insects can also be pests, such as locusts that destroy crops or mosquitoes that spread diseases.
Bacteria are often responsible for food spoilage or plant diseases. Rodents, such as mice and rats, can contaminate food supplies and are known carriers of various diseases. These organisms can all be considered pests depending on the context, such as when they cause harm to human endeavors like agriculture, food storage, or human health.
is muddy water a substance?
Answer: No, I wouldn't imagine so.
Explanation:
which two things affect how a lens refracts light
Answer:
The focal length, however, is a direct consequence of how much that lens refracts light, which (at least mostly) depends on two things: the index of refraction of that glass/plastic/whatever in the lens, and the curvature of the lens surfaces.
Explanation:
Final answer:
Understanding how lenses refract light involves considering the indices of refraction and the interaction with different mediums.
Explanation:
Lenses refract light based on two main factors: the indices of refraction of the lens material and the medium it interacts with. For example, when light enters a lens material with a higher refractive index, it bends towards the perpendicular, causing refraction.
Which statement describes redshifts?
Redshifts occur when the light source and observer move farther apart, and the light observed shifts to a shorter wavelength.
Redshifts occur when the light source and observer move farther apart, and the light observed shifts to a longer wavelength.
Redshifts occur when the light source and observer move closer together, and the light observed shifts to a shorter wavelength.
Redshifts occur when the light source and observer move closer together, and the light observed shifts to a longer wavelength.
Answer:
B. Redshifts occur when the light source and observer move farther apart, and the light observed shifts to a longer wavelength.
Explanation:
Redshift is a phenomenon where electromagnetic radiation from an object undergoes an increase in wavelength such that the light seems to be shifted towards the red part of the spectrum. Redshifts are used to track the rotation of our galaxy by the astronomers. Redshifts occur when the light source and observer move farther apart, and the light observed shifts to a longer wavelength.
Answer:
B. Redshifts occur when the light source and observer move farther apart, and the light observed shifts to a longer wavelength.
Explanation:
on edg
Why are chemical equations useful?
A) Chemical equations prevent scientists from making mistakes.
B) Chemical equations determine the viscosity of a liquid.
C) Chemical equations predict what will happen in a chemical reaction.
D) Chemical equations fix a reaction to get the right products.
Chemical equations are useful because the Chemical equations predict what will happen in a chemical reaction. The correct option is option (C).
Chemical equations are valuable tools in chemistry as they allow us to represent and understand chemical reactions. They provide a concise and standardized way to describe the reactants, products, and stoichiometry of a chemical reaction. Here are some reasons why chemical equations are useful:
1) Predicting reaction outcomes.
2) Quantifying reactants and products.
3) Communication and record-keeping.
4) Conservation of mass.
Therefore, while chemical equations do not prevent mistakes or fix reactions, they are primarily used to predict reaction outcomes, quantify substances involved, and provide a common language for communication and record-keeping in chemistry. The correct option is option (C).
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Opposite reaction of Air particles pushed outward against a balloon
Answer:
the balloon deflates
Explanation:
Answer: Balloons and Rockets
The air rushes out of the neck of the balloon. The action of the air rushing from the balloon pushes against the balloon, moving it in the opposite direction. When rocket fuel is burned, hot gases are produced. These gases expand rapidly and are forced out of the back of the rocket.
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Explanation:
2 Points
Which property will increase if you increase the frequency of an
electromagnetic wave?
O
A. Wavelength
O
B. Shift
O
O
C. Speed
D. Energy
SUBMIT
If the potential across two parallel plates, separated by 9.0 cm, is 12 volts, what is the electric field strength in volts per meter?
E = _____ volts/m
1.1
1.3
110
130
Answer:
Your answer is actualy going to be 130
Need help ASAP PLZ
2.55*10^ -4 C charge has an electric potential energy of 35.7 J when it is placed 0.437 m from a second charge. What is the value of the second charge?
Answer: 6.80
Explain: Trust me
Two questions. 10 points.
With the same force applied, which of these will have a greater acceleration?
F.100g mass
G.200g mass
H.300g mass
J.All the objects would have the same acceleration.
A 22.4kg object is accelerating at 1.40m/s2. What net force is being applied to the object?
A 16.0 N
B 21.0 N
c 23.8 N
D 31.4 N
From Newton's Second Law of Motion, acceleration is given by this formula:
[tex]Accelertaion = \frac{Force}{Mass}[/tex]
From the above formula, we can deduce that acceleration is inversely proportional to the mass of an object. Thus, the smaller the mass of an object, the greater would be its acceleration when the same force applied.
Therefore, the 100 gram mass will have a greater acceleration with the same force applied.
Question 2.
Given the following data:
Mass = 22.4 kg.Acceleration = 1.40 [tex]m/s^2[/tex].Mathematically, net force is given by this formula;
[tex]Net\;force = mass \times acceleration[/tex]
Substituting the given parameters into the formula, we have;
[tex]Net\;force = 22.4 \times 1.40[/tex]
Net force = 31.4 Newton.
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Final answer:
The 100g mass will have the greatest acceleration when the same force is applied, due to Newton's second law of motion. For the second part, the net force being applied to a 22.4kg object accelerating at 1.40m/s^2 is closest to 31.4 N.
Explanation:
The first part of the question asks: With the same force applied, which of these will have a greater acceleration? The options are 100g mass, 200g mass, 300g mass, and all objects having the same acceleration. According to Newton's second law of motion, acceleration is inversely proportional to mass when the force applied is constant. Therefore, the 100g mass will have the greatest acceleration (option F).
For the second question, a 22.4kg object is accelerating at 1.40m/s2. To find the net force being applied to the object, we use the formula F = ma, where F is the force, m is the mass, and a is the acceleration. Plugging in the values, we get F = 22.4kg * 1.40m/s2 = 31.36 N.
Therefore, the closest answer is option D, 31.4 N.
The slope of a linear velocity-time graph tells us the _____ of the object.
A. Speed
B. Acceleration
The object's acceleration is indicated by the slope of a linear velocity-time graph. Option (B) is the best choice.
A linear velocity-time graph's slope is a representation of an object's acceleration. Acceleration is the rate at which velocity changes in relation to time. When the velocity-time graph is a straight line, a constant acceleration is indicated by the slope of the line.
The acceleration increases with slope steepness and might be positive or negative depending on the slope's direction. If there is no slope (i.e., a horizontal line), there is no acceleration, which means the item is traveling at a constant speed.
As a result, the acceleration is indicated by the slope of the velocity-time graph. (B) is the best choice.
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The aurora is caused by high natural currents flowing in:
a)the inosphere
b)the upper clouds
c)outer space
d)the asthenosphere
Answer:
the answer is a)the ionosphere
Explanation:
its the ionosphere because it's the region above the earths atmosphere where particles exist in an ionized state.
Answer:
Your answer to the question is a.) the inosophere.
Explanation:
In the illustration above the moon is in the position called
new moon
moonstone
full moon
bright moon
Answer:
new moon
Explanation:
The new moon is the first lunar phase and is seen as a thin waxing crescent and its shape is formed the direct sunlight as viewed from the earth and stays form 6 am to 6 pm. It varies slightly due to its elliptical orbit and these phases are due to the angles from were the observer can see the moon illumination by the sun as it orbits the planet and the moon reflects the light received from the sun.The Earth orbits the sun with a speed of about 67000 miles per hour. If the Earth was to suddenly stop, it would
Answer: It would destroy the Earth's surface.
I remember reading this questions in What If? by Randall Munroe. Great book, I suggest you check it out. Anyway, the answer. The Earth is revolving as well as spinning on its axis at the same time. This basically means that thee atmosphere is also spinning at the same speed. But due to the frame of reference, we don't notice anything. If the Earth suddenly stops spinning, then the atmosphere, going according to the first law of motion will still be spinning at the same speed. This would produce supersonic winds at such a scale that it will be compared to an atomic explosion. Anything not in a nuclear bunker will probably be ripped apart by the force of the wind.