Answer:
the amygdala, the prefrontal cortex, the cingulate cortex, the hippocampus, and the basal ganglia
Explanation:
These are the regions of the brain that read emotions
(not sure if i answered correctly but i tried. )
An example of the emotional brain at work is the activation of the amygdala during stress, which can trigger a fight-or-flight response. Emotional intelligence involves managing these reactions to make balanced decisions, highlighting the intertwined nature of emotion and rational thought in our cognitive processes.
An example of the emotional brain at work can be seen when you react to a stressor, such as an argument with a friend. In this situation, your amygdala, a part of the limbic system, gets activated. The amygdala processes emotional responses and is known for its role in fear and other emotions. It sends a distress signal to the hypothalamus, which can trigger a fight-or-flight response, involving the release of stress hormones and activation of the sympathetic nervous system.
This reaction is not always rational and can sometimes be too quick, bypassing logical thought processes. However, emotional intelligence at work involves recognizing these emotional responses, understanding their impact, and managing them effectively to make balanced decisions. As research suggests, emotions are integral to rational thinking, and a lack of emotional response due to brain injury can make decision-making difficult and lead to significant life issues.
At what point is its PE a maximum? 1. midway between the highest and lowest points 2. at the highest point 3. at the lowest point 4. The PE does not change.
Answer:
2. at the highest point
Explanation:
For a generic object, the PE (gravitational potential energy) is defined as
PE = mgh
where
m is the mass of the object
g is the gravitational acceleration
h is the height of the object with respect to the ground
From the formula, we see that PE is maximum when h is maximum: so the PE is maximum when the object is at the highest point.
ANSWER ASAP FOR 40 POINTS
The Doppler effect is the result of a ____ sound source that causes the sound to appear higher or lower than its true ____. As a sound source approaches an observer, the distance between each ____ in the wave is ____. This causes a ____ perceived pitch. As a source moves away from an observer, the distance between each crest in the wave is ____. This causes a ____ perceived pitch. The size of the pitch ____ is determined by the speed of the source relative to the speed of ____.
Word Bank
higher
shift
increased
moving
lower
pitch
sound
crest
shortened
Put in this order
higher 2
shift 1
increased 5
moving 9
lower 3
pitch 4
sound 7
crest 6
shortened 8
Hope I got it right :P
1. increased
2.pitch
3.sound
4.shortned
5.lower
6.moving
What is the magnetic flux, in units of mWb (milliWeber), in a cross sectional area of 0.074 m^2 when the magnetic flux density of 0.92 T passes through the area at an angle of 52 degrees?
Answer:
54 mWb
Explanation:
The magnetic flux linkage through the coil is given by:
[tex]\Phi = BA sin \theta[/tex]
where
B is the magnetic field strength
A is the cross sectional area
[tex]\theta[/tex] is the angle between the direction of the field and the normal to the coil
In this problem:
B = 0.92 T
A = 0.074 m^2
[tex]\theta=52^{\circ}[/tex]
Therefore, the magnetic flux linkage is
[tex]\Phi = (0.92 T)(0.074 m^2) sin 52^{\circ}=0.054 Wb=54 mWb[/tex]
On a standing wave on a string, the minimum number of nodes is 1 and antinodes is 2. True or false?
The statement is False
Final answer:
The statement is false; the minimum number of nodes on a standing wave on a string is 2 (at the fixed ends), and the minimum number of antinodes is 1, seen in the fundamental frequency or first harmonic.
Explanation:
The statement that 'on a standing wave on a string, the minimum number of nodes is 1 and antinodes is 2' is false. On a standing wave on a string that is fixed at both ends, the minimal standing wave pattern would include two nodes and one antinode. This is seen in the fundamental frequency (first harmonic), where the wave has a single antinode in the center of the string and a node at each fixed end. Nodes are points of no motion in standing waves, while an antinode is the location of maximum amplitude of a standing wave.
Help with this plz!!!
The answer is:
It is virtual and behind the mirror.
Mirrors produce images, either virtual or real.
Virtual images are produced when the image is behind the mirror. Real images are formed when they image is produced in front of the mirror.
So look at the image produced. It's small and found in behind the mirror. This means that it is a virtual image. How do I know that its behind the mirror?
When you look at the diagram, the front side of the mirror is the blue side. This is a convex mirror.
two charges attract each other with a force of 1.2 * 10⁻⁶N. Calculate the force that would act between the two charges when distance is doubled, halved, trebled.
1. When the distance is doubled: [tex]3\cdot 10^{-7}N[/tex]
The electrostatic force between two charges is given by:
[tex]F=k\frac{q_1 q_2}{r^2}[/tex]
where
k is the Coulomb's constant
q1 and q2 are the two charges
r is the distance between the two charges
The initial force between the two charges is [tex]F=1.2\cdot 10^{-6}N[/tex]. In this part of the problem, the distance between the two charges is doubled, so we can write
[tex]r'=2r[/tex]
And substituting into the formula, we find the new force:
[tex]F'=k\frac{q_1 q_2}{r'^2}=k\frac{q_1 q_2}{(2r)^2}=\frac{1}{4}k\frac{q_1 q_2}{r^2}=\frac{F}{4}[/tex]
So, the force is reduced to 1/4 of its original value. Therefore, it is
[tex]F'=\frac{1.2\cdot 10^{-6} N}{4}=3\cdot 10^{-7}N[/tex]
2. When the distance is halved: [tex]4.8\cdot 10^{-6}N[/tex]
The initial force between the two charges is [tex]F=1.2\cdot 10^{-6}N[/tex]. In this part of the problem, the distance between the two charges is halved, so we can write
[tex]r'=r/2[/tex]
And substituting into the formula, we find the new force:
[tex]F'=k\frac{q_1 q_2}{r'^2}=k\frac{q_1 q_2}{(r/2)^2}=4k\frac{q_1 q_2}{r^2}=4F[/tex]
So, the force is quadrupled. Therefore, it is
[tex]F'=4(1.2\cdot 10^{-6} N)=4.8\cdot 10^{-6}N[/tex]
3. When the distance is tripled: [tex]1.33\cdot 10^{-7}N[/tex]
The initial force between the two charges is [tex]F=1.2\cdot 10^{-6}N[/tex]. In this part of the problem, the distance between the two charges is tripled, so we can write
[tex]r'=3r[/tex]
And substituting into the formula, we find the new force:
[tex]F'=k\frac{q_1 q_2}{r'^2}=k\frac{q_1 q_2}{(3r)^2}=\frac{1}{9}k\frac{q_1 q_2}{r^2}=\frac{F}{9}[/tex]
So, the force is reduced to 1/9 of its original value. Therefore, it is
[tex]F'=\frac{1.2\cdot 10^{-6} N}{9}=1.33\cdot 10^{-7}N[/tex]
how much chemical energy must be supplied to a car engine if we want it to produce 5000J of kinetic energy and it is 45% efficient
Here i state the conservation of energy rule and use that to justify my answer. I showed how to manipulate percentages to get the final answer of 11000J (2sf). Hope I'm right xx
11,111.11 J of chemical energy must be supplied to the car engine to produce 5000 J of kinetic energy, given that the engine is 45% efficient.
To find the amount of chemical energy that must be supplied to the car engine to produce 5000 J of kinetic energy, we need to consider the efficiency of the engine.
Efficiency is defined as the ratio of useful output energy to the input energy. In this case, the engine is 45% efficient, which means only 45% of the supplied chemical energy is converted into useful kinetic energy.
Let Echemical be the chemical energy supplied to the engine, and Ekinetic be the kinetic energy produced.
Efficiency (η) = (Useful output energy / Input energy) * 100%
η = (Ekinetic / Echemical) * 100%
Given:
Ekinetic = 5000 J
Efficiency (η) = 45% = 0.45 (in decimal form)
Now, we can rearrange the equation to solve for Echemical:
Echemical = Ekinetic / η
Echemical = 5000 J / 0.45
Echemical ≈ 11111.11 J
Hence, approximately 11,111.11 J of chemical energy must be supplied to the car engine to produce 5000 J of kinetic energy, given that the engine is 45% efficient.
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Which device can be used to increase voltage from a source of direct current?
A. Generator
B. Electroscope
C. Induction coil
D. Mass spectrometer
Induction coil
hope this helps :)
Determine the velocity of the running man with respect to car A.
Answer:
A) -55 km/
hr
Explanation:
Answer: A) -55 km/h
Explanation: The running man is traveling at -55 km/hr with respect to Car A. If the man were standing still, the car would be passing at 50. Since he is traveling at 5 in the opposite direction, that direction is positive, to him. His velocity now adds to the car velocity (50 + 5), but negative to account for the opposite direction.
Hope this helps!
Strength training combined with cardiovascular fitness makes the body stronger and healthier.
True
False
True. Strength training combined with cardiovascular fitness does make the body stronger and healthier.
Hope this helps. Please mark as brainliest.
The answer is true :)
Sorry took a while to answer
What does the signal word then accomplish in these sentences
The quality or condition of being intense:
A)Electricity
B)Potential Energy
C)Measurement
D)Intensity
d
please give me brainlest
I think that the answer is D, not sure though
tell me if I'm wrong please.
how much work is done using a 500 W microwave for 5 minutes
Answer:
[tex]1.5\cdot 10^5 J[/tex]
Explanation:
The power used by an object is defined as:
[tex]P=\frac{W}{t}[/tex]
where
W is the amount of work done by the object
t is the time taken
In this problem, we have:
P = 500 W is the power of the microwave
[tex]t=5 min=300 s[/tex] is the time taken
So we can solve the formula for W, the work done by the microwave:
[tex]W=Pt=(500 W)(300 s)=1.5\cdot 10^5 J[/tex]
Which is an example of reflection
Final answer:
Reflection can be seen when light bounces off a body of water, when it reflects from a mirror, or even off rough surfaces like sidewalks, where the light is scattered rather than forming a clear image.
Explanation:
An example of reflection can be observed when looking at the surface of a body of water. From above, the water reflects light back into the air, providing us with the visible image of our surroundings. A familiar everyday experience is observing light reflection from a mirror, where light rays hit the mirror and bounce off at the same angle, forming a clear image. Surfaces like sidewalks also demonstrate reflection; the rough texture scatters the light in various directions, which is why we do not see a distinct image of the sun, but we still perceive the concrete due to reflected light.
What are the characteristics of an ideal transformer
It is an imaginary transformer which has no core loss, no ohmic resistance and no leakage flux. The ideal transformer has the following important characteristic. The resistance of their primary and secondary winding becomes zero. The core of the ideal transformer has infinite permeability.
An ideal transformer is a theoretical device with 100% efficiency, no energy losses, and follows the principle of power conservation. The voltage ratio across the coils is equal to the ratio of their turns. This idealized model helps in understanding transformer behavior without considering real-world inefficiencies.
An ideal transformer is a theoretical device used to model the behavior of real transformers without considering energy losses. Here are the main characteristics of an ideal transformer:
Efficiency: An ideal transformer has 100% efficiency, meaning it does not dissipate power. The power supplied to the primary winding equals the power delivered to the secondary winding.No Energy Losses: There are no losses due to ohmic heating, hysteresis, or eddy currents. The core is assumed to contain all magnetic field lines.Turn Ratios: The voltage ratio between the primary and secondary windings is directly proportional to the ratio of the number of turns on each winding. This is described by V₁/V₂ = N₁/N₂.Power Conservation: The product of current and voltage on the primary side equals the product of current and voltage on the secondary side (V₁ × I₁ = V₂ × I₂).An ideal transformer is thus an efficient, lossless device that perfectly transfers energy between two circuits through magnetic induction.
Choose all the answers that apply. Which of the following forces require physical contact?
A. tension
B. air resistance
C. friction
D. magnetic force
E. applied force
CHOOSE ALL THAT APPLY PLEASE!
The answers are:
A. Tension
B. Air resistance
C. Friction
E. Applied force
Why?Let's discard each given option in order to find what forces requires physical contact:
A. Tension, correct: Tension force appears when it's a force pulling another object, trying to move it in the same direction, the tension usually involves a rope or cable used to pull another object. For example, a mass being held with a rope/cable.
B. Air resistance, correct: Air resistance, or drag, is a force acting in the opposite direction of a body in motion when it's passing through the air, involving contact between the air molecules and the surface of the object. For example, when an airplane is flying, it's being affected by the air resistance, making it move slower.
C. Friction, correct: The friction appears when there is an object surface being in contact with another object surface, both or just one can be in motion, the frictional forces always go in the opposite direction of the motion. For example, when you try to pull a box from a place to another, there is always a force that opposes to the movement, making you to apply more force in order to move the object, it's the frictional force.
D. Magnetic force, incorrect: Magnetic force does not require physical contact between objects. The magnetic force acts on an object, pulling or attracting it. For example, using a magnet to attract a metallic object does not involve any physical contact, the force acts on the metallic object attracting it with no contact.
E. Applied force, correct: The applied forces involve physical contacts, applying forces on an object can result in the object motion. For example, pushing a button, the button us bein affected by an applied force and it will move in the same direction that the force.
Have a nice day!
Answer:
A. Tension
B. Air resistance
C. Friction
E. Applied force
Explanation:
in order for production to take place, the question of what is to be produced must be answered. which of the following is another question that must be answered in order for production to take place?
How is production to be organized? is the correct answer on APEX.
Answer:how is production to be organised
Explanation:
Products must equal which in a chemical reaction?
Reactants
atoms
elements
molecules
I think it is reactants
Products must equal reactants in a chemical reaction. This is known as the law of conservation of mass.
What is a chemical reaction?In a chemical reaction, one or more reactants (also known as reactants) are changed into one or more products (also known as products).
If there are the same number of atoms of various elements on either side of the equation, then the total atomic mass on the products side will be equal to the reactants side.
This should happen according to the law of conservation of mass in chemical reactions.
This means that during a chemical reaction, no atoms are created or destroyed. They are merely rearranged to form new molecules. This is why chemical equations must be balanced, or have the same number of atoms of each element on both sides of the equation.
By balancing the equation, we ensure that the law of conservation of mass is obeyed and that the products equal the reactants in terms of the number and type of atoms and molecules involved.
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Which of these best describes the difference between energy and power? A) Power and energy have nothing in common B) Energy and power are the exact same thing. C) Energy has a time component while power does not. D) Power has a time component while energy does not.
D.Power has a time component while energy does not. This is because power is the RATE at which work is performed.
Which of the following best describes the frequency of a wave?
Since you didn't add any answer choices I will explain the frequency of a wave the best I can.
The frequency of a wave is the distance between one crest and another. Frequency can affect the energy of a wave. If the crests in a wave are close together, than the frequency of said wave is high as well as the energy. If they are far apart, than the frequency will be low and the energy will also be low.
Hope this helped.
Wave frequency is the number of waves that pass a fixed point in a given amount of time.
What is frequency?The number of vibrations counted per second is called frequency. A wave is a group of vibrations that are referred to as energy. The bottom node is known as the crest, and the top node is known as the trough.
The frequency of an alternating current is the number of full cycles per second. The hertz, also known as Hz, is the accepted unit of frequency. The frequency of a current is 1 Hz if one cycle is completed per second; 60 cycles per second equals 60 Hz.
A often utilized factor in relation to the wave is frequency. Let's say we need to determine the wave's frequency and the wave moves at a certain pace. The wavelength and velocity of the light wave are also used to calculate the number of cycles the wave has completed in one second. The frequency term is frequently taken into account in relation to the sound wave.
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A(n)is produced around a wire when an electrical current is in the wire.
Answer: The correct answer is "magnetic field".
Explanation:
A magnetic field is produced around the current carrying wire.
If you bring compass needle around the current carrying wire then it shows the deflection which indicates that there is a magnetic field around the current carrying wire.
Magnetic fields are the area around the surrounding of magnet in which magnetic force can be experienced.
Therefore, a magnetic field is produced around a wire when an electrical current is in the wire.
magnetic field took the test
How many of each component are shown in the diagram
Answer:
One battery, two resistors, two switches, three light bulbs
Explanation:
Each component is indicated with the following symbols:
- Battery: it is the one on the right, consisting of two longer lines and two shorter lines. It is the device that provides the electromotive force to the circuit
- Resistors: they are the devices on the bottom line, consisting of zig-zag lines. Resistors are pieces of circuit that resist to the flow of current in the circuit.
- Switches: they are labelled with a line with two dots at both ends. They can be opened/closed in order to stop/allow the flow of current in the circuit.
- Light bulbs: they are labelled with a circle filled with a X.
Answer:
A B D E
Explanation:
Bc I did the test
One charge is decreased to one-third of its original value, and a second charge is decreased to one-half of its original value. how will the electrical force between the cahrges compare to the original force
it will decrease to 6 times the original force
it willnincrease to 36 times the original force
it will decrease to one-sixth the original force
it will decrease to one-thirty-sixth the original force
I just had this question on my test, the answer is C.
Answer:
The new force will decrease to one sixth the original value.
Explanation:
It is given that,
One charge is decreased to one-third of its original value, and a second charge is decreased to one-half of its original value.
Let, [tex]q'_1=\dfrac{1}{3}q_1[/tex] q₁ is the charge 1
[tex]q'_2=\dfrac{1}{2}q_2[/tex] q₂ is the charge 2
Initially, the electrical force between the charges is given by :
[tex]F=k\dfrac{q_1q_2}{r^2}[/tex]...........(1)
Let F' is the new force i.e.
[tex]F'=k\dfrac{q'_1q'_2}{r^2}[/tex]
So,
[tex]F'=k\dfrac{\dfrac{1}{3}q_1\times \dfrac{1}{2}q_2}{r^2}[/tex]
[tex]F'=\dfrac{1}{6}k\dfrac{q_1q_2}{r^2}[/tex]
[tex]F'=\dfrac{1}{6}F[/tex] (from equation 1)
Hence, the new force will decrease to one sixth the original value.
Fill in the appropriate values for each blank as it refers to ATOM 1. The number of protons present in ATOM 1 is _________.
friction is a force
a. that helps two objects move faster when they are touching.
b. that operates against motion when two objects are touching.
c. that gets stronger when two objects move away from each other.
d. that exists between any two objects in the universe.
NEED ASAP!!
Answer:
The answer is B
That operates against motion when two objects are touching
Explanation:
Friction is a force that operates against motion when two objects or surfaces are touching. Friction is applied in the direction that is opposite the direction of motion.
Friction is a force that operates against motion when two objects are touching. So, option b is correct.
What is meant by friction ?Friction is defined as the opposing force exerted by the surface when an object moves on it.
Here,
Friction is a resistive force that opposes relative motion between two surfaces. It is exerted by the surface on an object that is moving on it, which is in contact with the surface. So, frictional force is a contact force. It prevents sliding or rolling of an object on a surface in contact. It acts against the motion or the applied force. The object can move only if the applied force on the object overcomes the frictional force exerted by the surface. Frictional force is of various types.
Friction can also act on stationary object.
Friction causes wear and tear to the parts of machines.
Friction is known as resistive force because it always acts against the motion when there is a relative motion between surfaces.
Hence,
Friction is a force that operates against motion when two objects are touching. So, option b is correct.
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List 3 differences between the American League and the National League in Baseball?
Question ~ What's the difference between the American and National Baseball Leagues?
Answer ~ Major League Baseball is divided into two leagues with long and storied histories. See more sports pictures
Most people know that Major League Baseball is divided into two separate leagues: 1The American League and the National League. The National League, formed in 1876, is the older of the two leagues that make up the professional Major League Baseball organization in the United States and Canada. The main difference in the two is that the American League uses the designated hitter rule to replace pitchers during at-bats, and the National League does not.
Alexander Cartwright, an architect and sportsman in New York City, is widely recognized as the father of modern organized baseball. He was instrumental in founding the first organization devoted to playing baseball, the Knickerbocker Base Ball Club, in 1845. He wrote 20 rules about the field layout and how the game was played. The most important one was that players had to be tagged or forced out rather than having the ball thrown at them [source: Dickey]. Of course, the rules were modified as the game evolved, but Cartwright gave us the essence of baseball.
Sorry if it's a bit too long and the word with the D isn't supposed to be a bad word in there sorry about that xD This took me a while. (It's not the Bad word with a D btw ;-; just don't mind that.) I'll put the part you need in bold so you know where they are. I don't know the others like the other 2 differences. But I tried my best. I hope this helps my hands really hurt from typing ;-;
Three differences between the American League and National League in Baseball include the use of the DH rule by the AL but not traditionally by the NL, the former impact of the All-Star Game on World Series home-field advantage, and the integration of Interleague play.
Explanation:The American League (AL) and the National League (NL) are the two leagues that make up Major League Baseball (MLB). Historically, there have been several differences between them. Here are three distinct differences:
The DH rule: The American League uses the Designated Hitter (DH) rule, allowing a player to bat in place of the pitcher without affecting defensive alignments. The National League, until 2022, typically did not use the DH, requiring pitchers to bat for themselves.All-Star Game: The outcome of the MLB All-Star Game between the AL and NL used to determine home-field advantage in the World Series. This practice was in place from 2003 to 2016, with the league winning the All-Star Game securing home-field advantage.Interleague play: Interleague play was adopted by MLB in 1997, allowing AL and NL teams to compete against each other during the regular season. Initially, this was far more common for AL teams than for NL teams, but it has since become a regular part of the schedule for both leagues.These differences contribute to unique strategies and fan experiences within each league.
In the following diagram, the voltage is 1.5 volts and the resistance is 7.5 ohms. Use Ohm's law to determine the current in the circuit.
11.3 amps
5.0 amps
6.0 amps
0.2 amps
Answer:
Current in the circuit, I = 0.2 amps
Explanation:
It is given that,
Voltage of the circuit, V = 1.5 volts
Resistance, R = 7.5 ohms
According to Ohm's law, the voltage is equal to the product of current and the resistance.
i.e. [tex]I=\dfrac{V}{R}[/tex]
V is the voltage across the circuit
R is the resistance in the circuit
[tex]I=\dfrac{1.5\ V}{7.5\ \Omega}[/tex]
I = 0.2 amps
Hence, the correct option is (d).
What is a non example of temperature
We measure temperature of matters with a device called thermometer. There are three types of thermometer, Celsius Thermometer, Fahrenheit Thermometer and Kelvin Thermometer.
Non-examples of temperature include instances like inaccurately implying ratios in temperature, thinking an increase in internal energy always results in an increase in temperature, and misconceptions about absolute zero in temperature scales.
Explanation:A non-example of temperature could be simply understood as a situation or instance where temperature doesn't play a significant role, or where the notion of temperature as we usually perceive it, does not apply. For instance, the concept of ratio or multiplication in temperature such as saying 80 °C is four times as hot as 20 °C is a non-example, because there's no meaning to the ratio of 80 to 20 (or four to one) in the context of temperature. Another non-example is the assumption that increasing internal energy of a system necessarily increases its temperature; this is not always true. The temperature does not change when a substance changes from one phase to another, like during the melting of ice. This can be accomplished by adding heat or doing frictional work without changing temperature.
The concept of absolute zero, where there is zero molecular motion, is another perception which sometimes confounds the casual understanding of temperature, especially in cases like Celsius (C) and Fahrenheit (F) temperature scales where 0 degrees does not mean absence of heat because temperatures lower than zero exist and are in fact colder. Thus, these cases represent non-examples of common understanding of temperature.
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How is the movement of molecules that you observed in both the cases connected to their mass and temperature?
Answer:
As the temperature increases, the kinetic energy of the molecules of the liquid increases.
Explanation:
As the temperature increases, the kinetic energy of the molecules of the liquid increases.
Two shirts are removed from a dryer and attract each other with a force of 0.5N while they are separated by 1 cm. If the two shirts are equally charged, what would their charge and the force be if they are separated by 4 cm?
1) Charge: [tex]7.5\cdot 10^{-8} C[/tex]
Explanation:
The electrostatic force between the two shirts is:
[tex]F=k\frac{q_1 q_2}{r^2}[/tex]
where
k is the Coulomb's constant
q1 = q2 = q is the charge of each shirt (they are equally charged)
r = 4 cm = 0.04 m is the distance between the shirts
F = 0.5 N is the force
Re-arranging the equation, we can find q, the charge of each shirt:
[tex]q=\sqrt{\frac{Fr^2}{k}}=\sqrt{\frac{(0.5 N)(0.01 m)^2}{9\cdot 10^9}}=7.5\cdot 10^{-8} C[/tex]
2) Force if they are separated by 4 cm: 0.03 N
In this case, the force between the two shirts would be:
[tex]F=k\frac{q_1 q_2}{r^2}=(9\cdot 10^9)\frac{(7.5\cdot 10^{-8}C)^2}{(0.04 m)^2}=0.03 N[/tex]
Answer:
C. 7.4E-6C, 0.03 N
Explanation: