An electron and a proton are fixed at a separation distance of 949 nm. Find the magnitude and the direction of the electric field at their midpoint N/C The direction O cannot be determined is toward the proton O is perpendicular to the line of the particles. O is toward the electron
Answers
The magnitude and the direction of the electric field at the midpoint of an electron and a proton which are fixed at a separation distance of 949 nm is toward the electron.
To find the electric field at the midpoint between an electron and a proton, we can use the formula for the electric field due to a point charge:
E = k * Q / r^2
where k is Coulomb's constant, Q is the charge of the particle, and r is the distance from the particle to the point where the electric field is being calculated.
Since the electron and proton have equal but opposite charges, the electric fields they produce at the midpoint will cancel out in the horizontal direction perpendicular to the line joining them, leaving only the vertical components of the electric fields to add up.
The magnitude of the electric field at the midpoint is:
E = k * (|e| / (d/2)^2 + |e| / (d/2)^2) = 2k|e|/d^2
where d is the separation distance between the particles and |e| is the magnitude of the charge of either particle.
Plugging in the given values, we get:
E = 2 * 8.99 x 10^9 N*m^2/C^2 * 1.6 x 10^-19 C / (0.949 x 10^-6 m)^2
≈ 4.33 x 10^6 N/C
Therefore, the magnitude of the electric field at the midpoint is 4.33 x 10^6 N/C.
Since the electric fields produced by the electron and proton are equal in magnitude and opposite in direction, the direction of the electric field at the midpoint is perpendicular to the line joining the particles, and it points towards the electron (since the electron has a negative charge).
Therefore, the answer is "O is toward the electron".
To know more about electric field refer here:
https://brainly.com/question/30353996#
#SPJ11
Related Questions
if 20 boys can sweep the school compound in 8 minutes, how many boys can sweep it in 10minutes
Answers
Answer:
So this is just a ratio/proportion problem
so lets say its in boys:minutes
so in the first scenario
20:8
and we want to find
x:10
So proportion really
20/8=x/10
cross multiply
25
25 boys can sweep it in 10 minutes
Which of the motion variables is the same in both thex and y axis?
A) velocity
B) acceleration
C) time
D) displacement
Answers
Answer:
Acceleration (b) not sure tho
Explanation:
you are given a 10 kg sample of nitrogen-13 which has a half-life of 996 minutes. how much of that sample will be nitrogen-13 after 2988 minutes (three half-lives) have elapsed?
Answers
We will have 1.25 kilograms of nitrogen-13 left in the sample after three half-lives, or 2988 minutes, have passed.
The radioactive decay of nitrogen-13 is governed by the following equation:N-13 → C-13 + e+ + ν (1)
The decay of nitrogen-13 to carbon-13 releases a positron and a neutrino. Because mass is conserved in the decay process, the sum of the masses of the nitrogen-13 and positron must be equal to the mass of the carbon-13 and neutrino. Furthermore, the charge must be conserved; the nucleus of the nitrogen-13 has a charge of 7, whereas the carbon-13 nucleus has a charge of 6.
As a result, a proton is transformed into a neutron and a positron is released. Because the half-life of nitrogen-13 is 996 minutes,
the decay constant λ is λ=0.693/t1/2=(0.693/996 minutes) = 0.0006955 min-1
Thus, after t minutes, the quantity N of radioactive nitrogen-13 remaining in the sample is given by:
N = N0 e–λt
where N0 is the initial quantity of nitrogen-13 in the sample.
Initially, we had 10 kilograms of nitrogen-13 in the sample; thus N0=10 kg. We need to find N after 2988 minutes (three half-lives),
so we'll substitute that value into our equation:N = N0 e–λt
N = 10 e–0.0006955 x 2988
N = 10 x 0.125
N = 1.25 kg
After 2988 minutes (three half-lives), 1.25 kilograms of nitrogen-13 will remain in the sample.
To know more about nitrogen visit:
https://brainly.com/question/16711904
#SPJ11
The energy of a hydrogen atom is 12.09 eV above its ground-state energy. As a multiple of h, what is the largest angular momentum that this atom could have?
Answers
In the Bohr model of the hydrogen atom, the energy levels are given by the formula E = -13.6 eV / n^2, where n is the principal quantum number. The largest possible angular momentum for a hydrogen atom with an energy 12.09 eV above its ground state is 4h/2π, where h is Planck's constant.
In the Bohr model of the hydrogen atom, the energy levels are given by the formula E = -13.6 eV / n^2, where n is the principal quantum number. The ground state corresponds to n = 1, with an energy of -13.6 eV. If an atom has an energy of 12.09 eV above its ground state, we can find the corresponding value of n by equating the energy equation with the given energy:
-13.6 eV / n^2 = 12.09 eV
Solving this equation, we find n ≈ 2. Thus, the hydrogen atom is in the n = 2 energy level. The angular momentum of an electron in the hydrogen atom is quantized and given by the formula L = nh/2π, where L is the angular momentum and h is Planck's constant. The largest possible angular momentum for the given energy level (n = 2) is when n = 2. Therefore, the largest angular momentum is 2h/2π, which simplifies to h/π or 2h/2π. Thus, the largest angular momentum that the hydrogen atom could have is 2h/2π, where h is Planck's constant.
Learn more about Bohr model here:
https://brainly.com/question/3964366
#SPJ11
mechanical advantage is always less than velocity ratio,why?
Answers
because mechanical advantage decreases due to the friction and weight of moving parts of the machine whereas the velocity ratio remains constant
hope it helps you
An object is falling at terminal velocity.
Which of the following is not a valid conclusion from this statement?
A The acceleration of the object is zero.
B There is a resistive force acting on the object. C There is a resultant force acting on the object.
D The object has weight.
Answers
Answer:
option d the object has weight
proof the equation of motion third
Answers
The proof of third equation of motion is determined as v² = 2as + u².
What is the proof of third equation of motion?
The proof of third equation of motion is determined as follows;
The first equation is given as;
v = u + at
t = ( v - u ) /a
where;
u is the initial velocitya is the accelerationt is the time of motionThe formula for the average distance traveled by an object is;
s = (v + u)/2 x t
Expand the equation above as;
s = (v + u)/2 x (v - u)/a
s = (v² - u²) / 2a
2as = v² - u²
v² = 2as + u², proved
Learn more about third equation of motion here: https://brainly.com/question/27821888
#SPJ1
A vehicle starts from rest and accelerates uniformly for 12 seconds to a
velocity of 10ms1. It then runs at a constant velocity and is finally came to rest
in 66m with constant . The total distance covered by the vehicle is
580m. Find the value of acceleration and the time taken.
Answers
The value of the acceleration is 0.76 m/s² and the total time taken by the vehicle is 39 seconds.
Acceleration of the vehicleThe acceleration of the vehicle before coming to rest is calculated as follows;
v² = u² + 2as
where;
v is the final velocityu is the initial velocitya is the accelerations is the distance traveled before stoppingthe car came to rest with constant velocity attained after 12 seconds.
the initial velocity of the car before 12 seconds is zero.
v² = 0 + 2as
a = v²/2s
a = (10²)/(2 x 66)
a = 0.76 m/s²
Time of motion of the vehicled = ut + ¹/₂at²
where;
d is the total distance traveledt is the time of motiona is accelerationu is initial velocity of the vehicle580 = 0 + ¹/₂(0.76)t²
580 = 0.38t²
t² = 580/0.38
t² = 1,526.3
t = √1,526.3
t = 39 seconds
Thus, the value of the acceleration is 0.76 m/s² and the total time taken by the vehicle is 39 seconds.
Learn more about time of motion here: https://brainly.com/question/2364404
#SPJ1
A projectile is launched horizontally at a speed of 40 meters per second from a platform located a vertical distance h above the ground. The projectile strikes the ground after time at horizontal distance from the base of the platform. [Neglect friction.]
Calculate the vertical distance, h, if the projectile's total time of flight is 4.5 seconds. You must show work to earn full credit with the minimum 3 steps:
1. Equation used
2. Substitution with correct units
3. Final answer with correct units
Answers
Answer:1
Explanation:t=rad2h/g
The launch of projectiles allows to find the height of the body launched horizontally is:
The height is 99.2 m
Projectile launching is an application of kinematics where there is no acceleration on the x-axis and the y-axis is the gravity acceleration.
In the attachment we see a diagram of the movement, as the body is thrown horizontally, its initial vertical speed is zero.
y = y₀ + \(v_o_y\) t - ½ g t²
Where y, y₀i are the current and initial heights, respectively, \(v_{oy}\) the vertical initial velocity, g the acceleration of gravity and t the time.
0 =y₀ + 0 - ½ g t²
y₀ = ½ g t²
let's calculate
y₀ = ½ 9.8 4.5²
y₀ = 99.2 m
y₀ = h = 99.2 m
This is the initial height of the object when it is thrown.
In conclusion using the projectile launch we can find the height of the horizontally launched body is:
The height is 99.2 m
Learn more here: brainly.com/question/10903823
A car is driving on the road. The car starts to decelerate at -3 m/s2. It stops moving after 125
meters. How fast was the car going initially?
Answers
Answer:
27.39 m/s
Explanation:
From the question given above, the following data were obtained:
Deceleration (a) = –3 m/s²
Distance (s) = 125 m
Final velocity (v) = 0 m/s
Initial velocity (u) =?
The initial velocity (u) of the car can be obtained as follow:
v² = u² + 2as
0² = u² + (2 × –3 × 125)
0 = u² + (– 750)
0 = u² – 750
Collect like terms
0 + 750 = u²
750 = u²
Take the square root of both side
u = √750
u = 27.39 m/s
Thus, the initial velocity of the car was 27.39 m/s
the vast majority of human behavior in society is considered prosocial behavior. state of true or false
- True
- False
Answers
Yes it is true ,A broad group of actions with the intention of assisting others includes helping, sharing, providing comfort, contributing or volunteering, and cooperating.
Research on prosocial conduct has looked at the potential causes and effects of these behaviors as well as the various reasons that might be at play. Prosocial Behavior's Type 3. The factors. Actions that "benefit other people or society as a whole," such as assisting, sharing, contributing, cooperating, and volunteering, are considered prosocial conduct, also known as "voluntary behavior intended to benefit another." Evidence demonstrates that prosociality is essential to social groupings' wellbeing on a variety of measures. Empathy has significant evolutionary roots and is a powerful motivator of prosocial action. Children benefit from the development of desirable qualities fostered by prosocial activity.
To learn more about contributing please click on below link
https://brainly.com/question/10410785
#SPJ4
three motions are listed: an object changes direction an object changes mass an object changes position which of the three is considered acceleration? a only b only a and c b and c
Answers
Acceleration is a measure of how quickly an object changes its velocity, and is given by the rate of change of its velocity over time.
Of the three motions listed, changing direction and changing position are considered acceleration. This is because changing direction involves a change in velocity, even if the speed remains constant. Similarly, changing position involves a change in velocity, as the object is accelerating in a particular direction. On the other hand, changing mass is not considered acceleration because it does not affect the object's velocity. While it may affect other properties of the object's motion, such as its momentum or kinetic energy, it does not result in a change in velocity, and therefore is not considered acceleration. Acceleration is a measure of how quickly an object changes its velocity, and is given by the rate of change of its velocity over time.
Learn more about velocity :
https://brainly.com/question/17127206
#SPJ4
Answer:
A and B
Explanation:
I took the exam
a simple generator has a 300-loop square coil 25.0 cm on a side. how fast must it turn in a 0.550-t field to produce a 120-v peak output?
Answers
The generator must turn at a speed of 77.8 radians per second to produce a peak output of 120 V in a 0.550 T magnetic field.
The peak voltage output of a generator can be calculated using the formula:
\(Vpeak = NBAw\)
where:
Vpeak is the peak voltage output.
N is the number of turns in the coil
B is the magnetic field strength
A is the area of the coil
ω is the angular velocity of the coil
In this case, the coil has 300 turns and is 25.0 cm on a side, so its area is:
\(A = (25.0cm)^{2} = 0.0625 m^{2}\)
The magnetic field strength is 0.550 T, and we want to find the angular velocity ω at which the generator must turn to produce a peak output of 120 V. Rearranging the formula above, we get:
ω = Vpeak / NBA
Substituting the given values, we get:
\(w = (120V) / (300 turns * 0.0625m^{2}* 0.550T) = 77.8 rad/s\)
To know more about square coil:
https://brainly.com/question/13996049
#SPJ4
Minion fighter planes are launched from aircraft carriers with the aid of their own engines and a catapult. if in the process of being launched from rest, the thrust of a jet's engines is 2.10 105 n and after moving a distance of 90 m the plane lifts off with a kinetic energy of 4.70 107 j, what is the work done (in j) on the jet by the catapult?
Answers
Work done on the jet by the catapult is 3.31x10⁷j
We are given that,
Thrust = F = 2.10105N
As a result, the work performed by the engines and the catapult will be equal to the kinetic energy of the jet at takeoff. then the formula can be used to determine the work the jet did.
Work done by the engines = Force x Distance
Work done by the engines,
(2.10 X 10⁵J)x 90m = 1.89 x 10⁷J
Total kinetic energy = 5.20x 10⁷J
The total kinetic energy minus the work produced by the engines is the amount of work the catapult does on the jet.
Therefore the
work done on the jet by the catapult =( 5.20 X 10⁷J) -(1.89 X 10⁷) work done on the jet by the catapult = 3.31x10⁷j
To know more about Work done
https://brainly.com/question/13780707
#SPJ4
If 5 complete oscillations of a sound wave pass through a point in 0.5 s and the speed of sound was recorded to be 10 m/s, then find the wavelength of the sound.
Answers
Answer:
Wavelength = 1 meters
Explanation:
Given that,
Number of oscillations is 5
It passes through a point in 0.5 s
The speed of sound was recorded to be 10 m/s.
We need to find the wavelength of the sound.
Firstly, we will find frequency of this wave. Total no of oscillations per unit time is called frequency. So,
\(f=\dfrac{5}{0.5}\\\\f=10\ Hz\)
Now the speed of wave in terms of wavelength and frequency is given by :
\(v=f\lambda\)
Here, \(\lambda\) = wavelength
\(\lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{10\ m/s}{10\ Hz}\\\\\lambda=1\ m\)
So, the wavelength of the sound is 1 meters.
How harmful are the emissions from cosmetics, hygiene, and cleaning products? Claim
Evidence 1
Evidence 2
Evidence 3
Reasoning
Answers
The claim can be Cosmetics, hygiene, and cleaning product emissions may be dangerous.
Evidence 1: Effect of Air Quality
Volatile organic compounds (VOCs), including formaldehyde, benzene, and toluene, can be found in a variety of cosmetic, hygiene, and cleaning goods. These VOCs have the potential to evaportate and cause indoor air pollution.
Environmental impact is evidence number two
Cosmetics, hygiene, and cleaning goods can have a detrimental environmental impact during manufacturing, usage, and disposal. Microplastics and certain chemicals are among the substances present in these items that may find their way into rivers and endanger aquatic life.
Evidence 3: Worker health effects
Occupational health risks can be present for workers who manufacture and produce hygiene, cleaning, and cosmetic items.
Reasoning: It is clear from the research that emissions from cosmetic, hygiene, and cleaning goods have the potential to be harmful.
Thus, this way, harmful are the emissions from cosmetics, hygiene, and cleaning products.
For more details regarding claim, visit:
https://brainly.com/question/22898077
#SPJ1
The passage helps the reader to draw conclusions about which character's perspective? ºAlec ºAlice ºAlec's father ºAlec's mother
Answers
Answer:
I think it might be A: Alec but tell me if I'm wrong
Explanation:
Answer:
a
Explanation:
i did it on e d g e n u i t y
fluid imbalances with constant osmolarity happen when ______ fluid is lost or gained.
Answers
Fluid imbalances with constant osmolarity happen when isotonic fluid is lost or gained. Isotonic fluid refers to a solution with the same concentration of solutes as the cells in the body. When this fluid is lost or gained in an equal amount, the osmolarity of the body remains constant, but the fluid balance is disrupted, leading to fluid imbalances.
Examples of isotonic fluid loss or gain include vomiting, diarrhea, excessive sweating, or excessive intake of isotonic fluids such as water or sports drinks.
Isosmotic fluid has the same osmolarity as the body's fluids, which means that the concentration of solutes is equal between the fluid and the body's cells. In this situation, the loss or gain of fluid does not disrupt the balance of solutes in the body, maintaining a constant osmolarity.
To know more about osmolarity visit:
https://brainly.com/question/13597129
#SPJ11
Does a neutral object contain no electric charge at all?
Answers
Bonjour à toi,
QUESTION)An electrically neutral object does not mean that it has no electrical charge. If today we find some elementary particles without electric charge (Higgs Boson, photon and gluon), the neutrality of the atom and molecules, or more globally of matter is due to various processes. An atom is electrically neutral because the electric charges that compose it compensate each other (as much negative charge, the electron, as positive, the proton). Ionic molecules arrange themselves so that the electric charges that compose them compensate each other.
The amount of energy involved in melting a substance without changing its temperature is called the:
A) heat of vaporization.
B) calorie.
C) joule.
D) heat of fusion.
E) heat of combustion.
Answers
The amount of energy involved in melting a substance without changing its temperature is called the heat of fusion (D).
What is the heat of fusion?Heat of fusion refers to the amount of heat energy required to melt or freeze a unit mass or a quantity of a substance. Heat of fusion is expressed in joules per gram (J/g) or in calories per gram (cal/g). The amount of energy needed to melt a solid substance into a liquid state at a constant temperature is the heat of fusion. The temperature of a substance remains constant during the melting process because the energy being added is used to break the intermolecular bonds between the molecules of the substance.
Hence, the correct answer is Option D.
Learn more about heat of fusion here: https://brainly.com/question/29779749
#SPJ11
3. A mouse crawls 9 meters left in a tube, pauses and then crawls back 5 meters before
stopping. The entire trip took a total of 7 seconds.
a. What is the average speed of the mouse over these 7 seconds?
b. What is the average velocity of the mouse over these 7 seconds?
c. What was the instantaneous velocity of the mouse when it turned around?
Answers
Answer:
A
Explanation:
If it is loooking for a proper question, it wants to know how fast the mouse was going
Answer: The answer for this is A.
Explanation: I know this cause i'm smart and totally didn't copy the other guy just to get points
If Calcium has 2 valence electrons and Chlorine has 7 valence electrons, how many Cl-1 ions would need to combine with 1 Ca+2 ion?
Answers
Answer:
CALCIUM IDENINE ADEININE AND PHOSPHATE
Explanation:
in which state of matter are the particles closest together?
Answers
Answer: The particles of a solid are [generally] closest together while those of a gas are farthest apart
Explanation:
item 9 the magnetic force on a 60-cm straight segment of wire carrying a current of 7 a is 20 n. what is the magnitude of the component of magnetic field perpendicular to the wire?
Answers
The magnitude of the component of magnetic field perpendicular to the wire is 0.48 T.
What is the magnetic field perpendicular to the wire?
The magnetic field perpendicular to the wire is calculated by applying the following equation as shown below.
F = B I L sin ( θ )
where;
B is magnetic fieldI is the current flowing in the wireL is the length of the wireθ is the inclination of the magnetic fieldSince the magnetic field must be perpendicular, θ = 90 degrees
F = B I L sin (90)
F = B I L
B = F / IL
B = ( 2 N ) / ( 7 A x 0.6 m )
B = 0.48 T
Learn more about magnetic field here: https://brainly.com/question/7802337
#SPJ1
A block slides down a rough ramp with a 30-degree incline as shown.
A diagram of a block on a 30 degree incline.
Which diagram represents the forces acting on the block?
A free body diagram with three forces: a force vector northeast labeled F Subscript N Baseline, a force vector southeast labeled F Subscript f Baseline, and a force vector south labeled F Subscript g Baseline.
A free body diagram with three forces: a force vector northeast labeled F Subscript N Baseline, a force vector southeast labeled F Subscript f Baseline, and a force vector southwest labeled F Subscript g Baseline that is equal in magnitude but opposite in direction to the vector pointing northeast.
A free body diagram with three forces: a force vector north labeled F Subscript N Baseline, a force vector southeast labeled F Subscript f Baseline, and a force vector south labeled F Subscript g Baseline, which is equal in magnitude but opposite in direction the north vector.
A free body diagram with three forces: a force vector northeast labeled F Subscript N Baseline, a force vector northwest labeled F Subscript f Baseline, and a force vector south labeled F Subscript g Baseline.
Answers
Answer: The first one
Explanation: My best guess is in the pic attached. Hope this helps.
Answer:
b
e
Explanation:
a 2 kg book sits in the same room as a 5 kg vase. if the force of gravity between them is 7.41 question text :two asteroids are 75,000 m apart. one has a mass of 8 kg and the other 10 kg. if the force of gravity between them is 1.14 n, what is the mass of the other asteroid? 10-11 n, how far apart are they
Answers
The mass of the other asteroid is approximately 1.3529 * 10¹⁵kg.The force of gravity between two objects can be calculated using Newton's Law
The force of gravity between two objects can be calculated using Newton's Law of Universal Gravitation, which states that the force of gravity is directly proportional to the product of the masses of the objects and inversely proportional to the square of the distance between their centers.
In this case, we are given that the force of gravity between the two asteroids is 1.14 N and the mass of one asteroid is 8 kg. We need to find the mass of the other asteroid.
Let's use the formula for gravitational force:
F = (G * m1 * m2) / r²
where F is the force of gravity, G is the gravitational constant (approximately 6.674 * 10⁻¹¹ N m²/kg²), m1 and m2 are the masses of the two objects, and r is the distance between their centers.
We can rearrange the formula to solve for the mass of the other asteroid (m2):
m2 = (F * r²) / (G * m1)
Substituting the given values into the equation:
m2 = (1.14 N * (75,000 m)²) / (6.674 * 10⁻¹¹ N m²/kg² * 8 kg)
Calculating the expression:
m2 ≈ 1.3529 * 10¹⁵ kg
Therefore, the mass of the other asteroid is approximately 1.3529 * 10¹⁵ kg.
Please note that the calculated value is an approximation and may vary depending on the exact values used. It is always important to verify the input values and units to ensure accurate calculations.
Answer: The mass of the other asteroid is approximately 1.3529 * 10¹⁵kg.
To know more about book visit;
brainly.com/question/28339193
#SPJ11
A person sitting on a pier observes incoming waves that have a sinusoidal form with a distance of 2.5 m between the crests. If a wave laps against the pier every 5.0 s, what are (a) the frequency and (b) the speed of the wave
Answers
Given the data from the question,
A. The frequency of the wave is 0.2 Hz
B. The speed of the wave is 0.5 m/s
A. How to determine the frequency Period (T) = 5 sFrequency (f) =?f = 1 / T
f = 1 / 5
f = 0.2 Hz
B. How to determine the speed Wavelength (λ) = 2.5 mFrequency (f) = 0.2 HzVelocity (v) =?v = λf
v = 2.5 × 0.2
v = 0.5 m/s
Learn more about wave:
https://brainly.com/question/14630790
#SPJ4
what happens when you dip open bottle in bucket full of water?why?
chapter=pressure
Answers
Answer: It goes inside filling most of it .
Explanation: This happens because the bottle is empty and the bucket is full of water.
hich of the following is a pointing device that can be useful if you have very limited space on your desk?
Answers
Common pointing devices used to control screen movement include computer mouse, touch pads, touch screens, graphics tablets, and trackballs. Some of these devices, such as mic and joysticks, can be added to the computer system according to your needs.
Pointing device is a general term for any device used to control cursor movement on a computer screen.
For desktop computers, the most common pointing device is the computer mouse. A touchpad is the most common pointing device on laptop computers. Finally, the most common pointing device on smartphones and tablets is the finger on the touchscreen.
To know more about pointing devices,
https://brainly.com/question/2887900
#SPJ4
according to erik erikson, who is most likely to suffer from loneliness?
Answers
According to Erik Erickson, people who are most likely to suffer from loneliness are those who have not successfully completed the intimacy versus isolation stage of psycho social development. This stage occurs during young adulthood and involves the development of close, intimate relationships with others. If someone is unable to successfully navigate this stage, they may experience feelings of loneliness and isolation throughout their lives.
There are a number of factors that can contribute to loneliness, including:
Social isolation: People who are socially isolated are less likely to have close relationships with others. This can be due to a number of factors, such as living alone, moving to a new city, or having a chronic illness. Mental health problems: People with mental health problems, such as depression or anxiety, are more likely to experience loneliness. This is because these conditions can make it difficult to connect with others and maintain relationships. Personality traits: Some personality traits, such as introversion and shyness, can make it more difficult to form close relationships. Life events: Life events, such as divorce, the death of a loved one, or job loss, can increase the risk of loneliness.To learn more about depression visit: https://brainly.com/question/21711771
#SPJ11