Answer:
A charge +4q is placed a distance of r from a charge -q. Compare the number of electric field lines leaving +4q with the number entering -q. Please explain your answer for full credit.
A) There are 2 times as many leaving +4q.
B) There are 4 times as many entering +4q.
C) There are 4 times as many leaving +4q.
D) There are 16 times as many leaving +4q.
E = kq / r^2
For +4q, E1 = 4kq / r^2
For -q, E2 = -kq / r^2
so correct option is C
Explanation:
B and C are not the same, because in B, electric field lines are entering into +4q and in C electric field lines are leaving from +4q. Since +ve charge are source so C is the correct answer
Suppose you have the following circuit diagram.
Here R1=22kΩ, R2=33kΩ, R3=1.1kΩ, R4=3.3kΩ, R5=33kΩ, R6=11kΩ, R7=33kΩ, R8=1.1kΩ, R9=
3.3kΩ are the resistances on the circuit where kΩ stands for kilo ohm. The electromotive forces
of the batteries are E1=3volts and E2=6volts.
Answer:
The current I1 through the resistor R1 is:
I1 = (E1 - E2) / (R1 + R2 + R3 + R4 + R5 + R6 + R7 + R8 + R9)
= (3 - 6) / (22 + 33 + 1.1 + 3.3 + 33 + 11 + 33 + 1.1 + 3.3)
= -3 / 116.8
= -0.02563 A
Explanation:
Difference between regular and irregular object.
Hope this helps....
Good luck on your assignment.....
An object has mass M (uppercase) and is located at the origin of the coordinate system. A second object has mass m (lowercase) and is located at a distance r from the origin. This exercise explores the potential energy of the two-mass system. A spherical coordinate system is appropriate, but only the radial direction, r^, needs to be considered.
Enter a vector expression for the force, F⃗ , acting on mass m . The expression must be valid for all values of the radial coordinate, 0 0, and the zero of potential energy is taken as limr→∞UG=0.
Mass of the second object located at a distance r from the origin, r^ is the unit vector in the radial direction, and the negative sign indicates that the force
What is a system ?The System can refer to a set of interacting or interdependent components forming an integrated whole. The term can be applied to various fields, including physics, engineering, biology, and social sciences, among others. In physics, a system typically refers to a collection of objects or particles that are studied together, often with the goal of understanding the behavior of the system as a whole. In engineering, a system can refer to a group of components that work together to perform a specific function, such as an electrical power grid or an automobile engine. In biology, a system can refer to an organism or group of organisms that interact with their environment, such as an ecosystem or the human body.
To know more about system visit :
https://brainly.com/question/19368267
#SPJ1
Which of the following statements about charging objects is FALSE. Select one: If an object gains electrons it becomes positively charged. If an object gains electrons it becomes negatively charged. Charges cannot travel in an insulator. Charges can travel in a conductor.
Answer:
If an object gains electrons it becomes positively charged.
Explanation:
Electrons negatively charge.
A motorcycle stoop is at a traffic light, when the light turns green, the motorcycle accelerates to a speed of 78 km/h over a distance of 50 m. What is the average acceleration of the motorcycle over this distance?
The average acceleration of the motorcycle over the given distance is approximately 9.39 m/s².
To calculate the average acceleration of the motorcycle, we can use the formula:
Average acceleration = (final velocity - initial velocity) / time
First, let's convert the final velocity from km/h to m/s since the distance is given in meters. We know that 1 km/h is equal to 0.2778 m/s.
Converting the final velocity:
Final velocity = 78 km/h * 0.2778 m/s = 21.67 m/s
Since the motorcycle starts from rest (initial velocity is zero), the formula becomes:
Average acceleration = (21.67 m/s - 0 m/s) / time
To find the time taken to reach this velocity, we need to use the formula for average speed:
Average speed = total distance/time
Rearranging the formula:
time = total distance / average speed
Plugging in the values:
time = 50 m / 21.67 m/s ≈ 2.31 seconds
Now we can calculate the average acceleration:
Average acceleration = (21.67 m/s - 0 m/s) / 2.31 s ≈ 9.39 m/s²
To learn more about acceleration
https://brainly.com/question/2303856
#SPJ8
please help (science)
Plate Boundaries on Earth
Plate boundaries represent parts of the Earth where plates come in contact with one another. There are different ways in which these plates can move and interact. In this assignment, you will identify each type of plate movement and create an illustration to represent this.
Open the worksheet to get started. Use the criteria below to see what you should include in this assignment.
Row 1: Plate Boundary (Movement)
Write the type of plate boundary: convergent, divergent, transform.
Write the correct description for each in parentheses below the name: sliding, separating, or colliding.
Row 2: Diagram
Draw a diagram or illustration of the plate movement at the plate boundary. Include arrows to show whether the plates are colliding, separating, or dividing.
Row 3: Lithosphere (Created or Destroyed)
Identify whether the Earth's crust is created or destroyed at this type of plate boundary.
Row 4: Geologic Process
Give at least one example of the type of process or geological event that occurs on the Earth when the plates move in this manner.
Row 5: Real World Example
Give at least one example of a place on the planet where this type of plate movement is demonstrated along the plate boundary. Include both the location and name of the example.
Row 6: References
This assignment requires you to conduct formal research. When researching, make sure to use only valid and reliable resources; Wikipedia, blogs, and answer sites are not valid or reliable. References must be cited in APA format. Please provide your references in APA format in this column.
Plate Boundaries on Earth assignment involves identifying and illustrating different types of plate movements at the Earth's contact points.
Here are the steps to be followed:
Step 1: Understanding the Assignment Requirements
Read through the assignment instructions carefully to ensure a clear understanding of the tasks and expectations.
Step 2: Research
Start by conducting research on plate boundaries, their types, movements, and associated geological processes. Use reliable and valid resources such as scientific journals, textbooks, and reputable websites. Take notes on the different plate movements, their characteristics, and examples of each.
Step 3: Worksheet Setup
Create a table or chart with six rows corresponding to the six categories specified in the assignment instructions: Plate Boundary (Movement), Diagram, Lithosphere (Created or Destroyed), Geologic Process, Real World Example, and References.
Step 4: Fill in Row 1 - Plate Boundary (Movement)
In the first row, list the three types of plate boundaries: convergent, divergent, and transform. Next to each type, write the correct description in parentheses: sliding, separating, or colliding.
Step 5: Fill in Row 2 - Diagram
In the second row, draw a diagram or illustration for each type of plate movement. Use arrows to indicate the direction of movement and whether the plates are colliding, separating, or sliding past each other.
Step 6: Fill in Row 3 - Lithosphere (Created or Destroyed)
In the third row, identify whether the Earth's crust is created or destroyed at each type of plate boundary. Note the corresponding effects of plate movement on the lithosphere.
Step 7: Fill in Row 4 - Geologic Process
In the fourth row, provide at least one example of a geologic process or event that occurs as a result of plate movement at each type of boundary. This could include processes like subduction, seafloor spreading, or earthquakes.
Step 8: Fill in Row 5 - Real World Example
In the fifth row, give at least one real-world example of a location where each type of plate movement is demonstrated along a plate boundary. Include the name of the location and its corresponding plate boundary type.
Step 9: Fill in Row 6 - References
In the final row, provide the references for your research in APA format. Include the sources you used to gather information on plate boundaries, plate movements, and related geological processes.
Step 10: Review and Proofread
Review the completed assignment, ensuring that all information is accurate and properly cited. Proofread for any grammatical or spelling errors.
Note: The specific format and layout of the worksheet may vary based on your preference or instructor's instructions. Make sure to follow any specific formatting guidelines provided by your instructor.
Know more about plate boundaries here:
https://brainly.com/question/30407141
#SPJ8
What do you know about the current at different points in a series circuit?
A)it increases the farther it gets from the battery
B)it decreases the farther it gets from the battery
C)it decreases based on the resistance of the devices
D)it is the same at all points in the circuit
Answer:
D
Explanation:
In a series circuit there is only one path for the current to complete the path....so D
4- What force must be applied to a surface area of 0.0025m , to create a pressure ol
200.000Pa?
A long, straight conveyor belt at a sushi restaurant carries sushi past customers with a constant velocity. If the sushi roll you want is 4.30 m to the right of you 11.0 s after exiting the little door at the beginning of the conveyor belt, and it is still 2.10 m to the right of you 10.0 s later, how far is the little door to the right of you?
a bus with a maximum speed of 20m/s takes 21 sec to travel 270m from stop to stop. Its acceleration is
twice as great as its deceleration.
Find:
A, the acceleration
B, the distance traveled at maximum speed
We can use the following data to get the values of acceleration and the distance covered at top speed:
Maximum speed is 20 m/s (v_max).
Time (t) = 21 seconds
(d) = 270 m is the total distance travelled.
Find the acceleration (A) first:
Applying the equation v = u + at
where an is the acceleration, t is the elapsed time, u is the beginning velocity, and v is the end velocity.
Given: The bus will begin at rest with an initial velocity of 0 metres per second (u).
The formula can be rearranged as follows:
a = (v - u) / t
a = (20 m/s - 0 m/s) / 21 seconds
0.952 m/s2 a = 20 m/s / 21 sec
Therefore, the acceleration of the bus is approximately 0.952 m/s².
Next, let's find the distance traveled at maximum speed (B):
Since the bus starts from rest, it takes time to accelerate to its maximum speed and then decelerate to stop. The distance traveled at maximum speed can be found by subtracting the distances covered during acceleration and deceleration from the total distance.
Distance during acceleration = (1/2) * a * t^2
Distance during deceleration = (1/2) * a * t^2
Distance traveled at maximum speed = Total distance - (Distance during acceleration + Distance during deceleration)
B = d - (0.5 * a * t^2 + 0.5 * a * t^2)
B = 270 m - (0.5 * 0.952 m/s² * (21 sec)^2 + 0.5 * 0.952 m/s² * (21 sec)^2)
B = 270 m - (0.952 m/s² * (21 sec)^2)
B = 270 m - 220.392 m
B ≈ 49.608 m
Therefore, the distance traveled at maximum speed is approximately 49.608 m
For more such question on acceleration
https://brainly.com/question/460763
#SPJ11
A bicycle advances traveling 3 km in 15.00 seconds with what speed does it advance?
Hello..!
To calculate its speed, we simply apply the data to the problem.
Data:
D = 3kmT = 15.00 sV = ?Now, we convert kilometers to meters.
Conversion:
3km • (1000m / 1km)D = 3000mThen, we apply the formula that is.
Formula:
V = D/TFinally we develop the problem.
Developing:
V = 3000m / 15.00sV = 200m/sIt advances with a speed of 200 meters per second.
Answer:
Formula:
V = D/TResolve:
V = 3000m / 15.00sV = 200m/sHope this helped
Can someone please help me on this?
What is a hormone but not related to stress
?
Answer:
adrenaline cortisol
Explanation:
5.33 A constant force F= (4.70-379, 2.09) N. acts on an object of mass 180 kg, causing a displacement of that object by F= (4.25, 3.69-245) m What is the total work done by this force
The total work done by this force is 28.9-1457.86 N m.
What is total work?Total work is the sum of all the energy expended in completing a job or task. It is the amount of effort and energy expended to accomplish a goal or complete a task. Total work can be calculated by adding up all of the individual components of the job or task, such as time, effort, and materials.
The total work done by this force can be calculated using the formula W = F * Δx, where F is the force vector, and Δx is the displacement vector. In this case, the total work done is:
W = (4.70-379, 2.09) * (4.25, 3.69-245) = (19.9-944.81, 8.00-513.05) N m
Therefore, the total work done is 28.9-1457.86 N m.
To learn more about total work
https://brainly.com/question/25573309
#SPJ1
which thermometer is used in hot region.why?
Answer:
Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion.
Explanation:
please mark me brainlist
Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion. they still use mercury even though it is the poorest conductor of heat.
A skateboarder is moving at 2.00m/s and increases his velcity at a rate of 1.6m/s/s for 6.0 seconds. What is the displacement of the skateboarder during this game? Must include Given, Find , and Equation. Show all work .
Answer:
S = 40.8m
Explanation:
Given the following data;
Initial velocity, u = 2m/s
Acceleration, a = 1.6m/s²
Time, t = 6secs
Required to find the displacement
Displacement, S = ?
The displacement of an object is given by the second equation of motion;
\( S = ut + \frac {1}{2}at^{2}\)
Where;
S represents the displacement measured in meters. u represents the initial velocity measured in meters per seconds. t represents the time measured in seconds. a represents acceleration measured in meters per seconds square.Substituting into the equation, we have;
\( S = 2*6 + \frac {1}{2}*(1.6)*6^{2}\)
\( S = 12 + 0.8*36\)
\( S = 12 + 28.8 \)
S = 40.8m
Therefore, the displacement of the skateboarder during this game is 40.8 meters.
HIHIHHHHHHHHIHIHIIHIHHHHIHIHIHIHIHIHIHIHIHIHIHIHIHIIH
Answer:
Ok thanks for the points though
Explanation:
Explain/Describe how atoms in domains determine whether a material is magnetic or not. (Please help this is due today)
Answer:
In a material, the magnetic behavior depends on the alignment of magnetic moments of the atoms. Magnetic moments are generated by the motion of the electrons in the atoms. When the magnetic moments of atoms in a material are aligned in a specific pattern, it creates a magnetic field which results in the material being magnetic.
In many materials, the magnetic behavior arises due to the alignment of magnetic domains, which are regions of atoms with magnetic moments aligned in the same direction. When many domains with aligned magnetic moments are present in a material, the material becomes magnetic.
The magnetic behavior of a material depends on the number of electrons and the arrangement of those electrons in the atoms. In particular, for an atom to have a magnetic moment, it must have unpaired electrons, meaning electrons that are not paired with another electron with the opposite spin. When these unpaired electrons in the atoms are aligned, they generate a magnetic moment. If all electrons are paired, there will not be a net magnetic moment, so the material will not be magnetic.
So, in summary, the magnetic behavior of a material is determined by the alignment of magnetic moments of atoms. When the magnetic moments of many atoms in a material align in the same direction, it creates a magnetic field, leading to a material being magnetic. This alignment is usually present in magnetic domains consisting of atoms with unpaired electrons.
Sierra lives in a southwestern town in a valley where air pollutants sometimes settle. The mountains that surround the town keep air pollution from blowing away. Sometimes Sierra can actually see the pollution in the air. Which choice is NOT a source of outdoor air pollution?
The following is not a source of outdoor air pollution : D) Household cleaning products.
What is meant by the outdoor air pollution?Presence of one or more substances in air at concentration or for a duration above the natural level is called air pollution.
Outdoor air pollution refers to pollutants that are released into the atmosphere by sources outside of buildings or structures. The sources of outdoor air pollution can be natural or human-made. Some examples of sources of outdoor air pollution are:
A) Exhaust from cars and trucks
B) Smoke from factories and power plants
C) Pollen from trees and plants
D) Solid fuel burning
E) Forest fires
Therefore, the correct option is D) Household cleaning products.
To know more about air pollution, refer
https://brainly.com/question/1187636
#SPJ1
Note: The question given on the portal is incomplete. Here is the complete question.
Question: Sierra lives in a southwestern town in a valley where air pollutants sometimes settle. The mountains that surround the town keep air pollution from blowing away. Sometimes Sierra can actually see the pollution in the air. Which choice is NOT a source of outdoor air pollution?
A) Exhaust from cars and trucks
B) Smoke from factories and power plants
C) Pollen from trees and plants
D) Household cleaning products.
Select the correct answer. What is the electron configuration of an element with atomic number 15? A. B. O C. O D. OE. 15² 25² 2p6 1s² 2s² 2p 3s² 3p5 1s² 25² 2p 3s² 3p³ 1s² 25² 2p 3s² 1s² 2s² 2p 3p³ 3s² 3p¹
The electron configuration of an element with atomic number 15 is 3s² 3p⁵.
What is electronic configuration?The electron configuration of an element with atomic number 15 (which corresponds to the element phosphorus) can be determined by following the Aufbau principle and the Pauli exclusion principle. The Aufbau principle states that electrons occupy the lowest energy levels available, while the Pauli exclusion principle states that each orbital can hold at most two electrons with opposite spins.
What is energy level of phosphorus?Starting with the first energy level, we fill in the electrons for each subsequent energy level until we reach the 15 electrons of phosphorus: 1s² 2s² 2p⁶ 3s² 3p⁵
To know more about electron configuration visit:-
brainly.com/question/30784604
#SPJ1
what effect does density have on transverse waves
ayuden ha resolver este ejercicio porfa
Answer:
un café y a seguir pensando porque no se la respuesta xd
Question 2-5: You know from Activity 1-1 that an object will slow down if the force applied to the object (and the acceleration) are in the opposite direction to the velocity. Once you release the IOLab, no force is applied to the force sensor. What force is causing the IOLab to slow down
The force that is causing the IOLab to slow down is frictional force between the IOLab and the surface it is moving on.
As the force applied to an object increases, the acceleration of the object increases as well. This applied force is used to overcome the frictional force between the object and the surface it is moving on.
When the force applied to an object reduces, the effect of frictional force increases. This frictional force is the force that reduces the motion of an object.
Thus, we can conclude that the force that is causing the IOLab to slow down is frictional force between the IOLab and the surface it is moving on.
Learn more here:https://brainly.com/question/20383236
Answer:I don’t if this helps The force that is causing the IOLab to slow down is frictional force between the IOLab and the surface it is moving on.As the force applied to an object increases, the acceleration of the object increases as well. This applied force is used to overcome the frictional forcebetween the object and the surface it is moving on.When the force applied to an object reduces, the effect of frictional forceincreases. This frictional force is the force that reduces the motion of an object.Thus, we can conclude that the force that is causing the IOLab to slow down is frictional force between the IOLab and the surface it is moving on.
Explanation:
What Factor Determine the accuracy an Precision the result
Answer:
The accuracy and precision of a result depend on several factors, including:
1. Quality of the measurement tools - Using high-quality measurement instruments can lead to more accurate and precise results.
2. Calibration of instruments - Instruments should be calibrated regularly to ensure accurate and precise readings.
3. Skill of the person performing the measurement - The person performing the measurements must have proper training and knowledge of the tool they're using.
4. Sample size - Increasing the sample size can lead to more accurate results.
5. Sampling bias - If the sample used for the measurement is biased, it can lead to inaccurate or imprecise results.
6. Experimental design - Proper experimental design can help reduce measurement errors and increase accuracy.
Determine the direction of the force that will act on the charge in each of the following situations. A negative charge moving to the left in a magnetic field that points out of the screen. A negative charge moving to the left in an electric field that points out of the screen. A positive charge moving downward in a magnetic field that points upward. Answer Bank
Answer:
a) DOWN direction, b) directed INTO THE SCREEN, c) F = 0
Explanation:
The direction of the force is
for electric force
F = q E
where we assume a positive test charge, for which the force has the direction of the electric field.
For a magnetic field
in this case the direction of the force is given by the right hand rule.
For a positive test charge, the thumb points in the direction of velocity, the other fingers extended in the direction of the magnetic field, and the palm gives the direction of force for a positive charge.
F = q v x B
Let us apply these considerations to our case.
a) negative charge moving to the left
in a magnetic field points away from the screen
In this case the thumb goes to the left, the fingers extended outwards and the palm points upwards, but since the charge is negative the force has a DOWN direction.
b) negative charge moves to the left
in electric field it points off the screen.
The outside is in the direction of the electric field and since the charge is negative, the force is directed INTO THE SCREEN
c) positive charge moves down
in magnetic field points up
in this case the velocity and the field have the same direction so the vector product of them is zero
F = q v B sin 0
F = 0
I would like to ask for help in understanding on what basis the universe is considered to be expanding? As far as I understand, it is only an idea (hypothesis, theory) and not a scientific fact as the media presents it. Given that we on Earth receive evidence of various radiations from the past, we cannot say with certainty that the Universe is still expanding. Let's say the Universe stopped expanding 4 billion years ago and started contracting, would the results of all our observations be the same as they are or not?
Expansion of universe is not a hypothetical one but the universe is expanding in the sense increase distance over the space and dark matter.
What is universal expansion?The increase in distance over time between any two particular gravitationally unbound regions of the observable universe is known as the universe's expansion.
As a result, the size of space itself expands intrinsically. It is not necessary for space to exist outside of the cosmos or for it to extend into anything.
The metric changes in scale rather than space or the things in space moving in the conventional sense. Objects move farther apart from one another at ever-increasing speeds as the spatial component of the universe's spacetime metric scales up.
Any viewer in the cosmos would see that all of space appears to be expanding, except for the galaxies receding with a speed proportional to the distance from the observer.
Find more on universal expansion:
https://brainly.com/question/16048709
#SPJ1
What is displacement?
a. The distance an object travels.
b. The distance between the starting point and the ending point of an object's
journey.
C. The amount of time it takes an object to travel to a destination.
d. The path in which an object travels.
Answer:
displacement is the distance between the starting point and the ending point of an object's journey
A vector has the components Ax=29 m and Ay= 18 m. What is the magnitude of this vector? What angle does this vector make with the positive x axis?
The magnitude of the vector is approximately 35.85 m.
The angle that this vector makes with the positive x-axis is approximately 32 degrees.
What is the magnitude of this vector?
To find the magnitude of the vector with components Ax=29 m and Ay=18 m, we use the Pythagorean theorem:
|A| = √(Ax^2 + Ay^2)
|A| = √(29^2 + 18^2)
|A| = √(841 + 324)
|A| = √1165
|A| = 34.13 m
To find the angle that this vector makes with the positive x-axis, we can use the inverse tangent function:
θ = tan^-1(Ay/Ax)
θ = tan^-1(18/29)
θ = 31.82 degrees
Learn more about angle of vector here: https://brainly.com/question/25705666
#SPJ1
A swing made from a 5 m rope and a 3 kg seat falls a vertical distance of 6 m from the highest point to the lowest point. Calculate the kinetic energy of the seat at the lowest point.
At the lowest position, both potential and kinetic energy are zero and maximal. A amount of energy is affected or not by mass.
Where do the kinetic energy's peak and trough locations lie?Kinetic energy (KE) is defined as the energy a object has due to its motion and therefore is equal with one the item's mass multiplied by the object's velocity squared (mv2). In a roller coaster, kinetic energy is highest at the bottom and lowest at the top.
How do you determine the bottom's kinetic energy?Kinetic energy has the following formula: K.E. (= 1/2 m v2, where m is the object's mass and v is its square velocity. The kinetic energy is measured in kgs squared per indication of the number if the mass is measured in kilogrammes and the velocity is measured in metres per second.
To know more about mass visit:
https://brainly.com/question/6782334
#SPJ1
determine if a sentence is an argument?
Answer:
The tone really matters and if there are any exclamation marks also.
Explanation: