Coulomb's forces are the names for these attractiveand repulsive forces. Repulsive force will be used to interact with items that have the same charge. Via an attractive force, things with different charge types interact.
1. Objects with the same charge will interact by repulsive force, we can say.
2. We can infer that charges of opposite polarity interact with things through an attracting force.
Coulomb's force, also known as electrostatic force, is a fundamental force of nature that describes the interaction between electric charges. It is named after French physicist Charles-Augustin de Coulomb, who first formulated it in 1785.
The force is characterized by the magnitude and direction of the charges involved and the distance between them. It is responsible for the behavior of electric fields, the flow of electric current, and the behavior of charged particles in electric and magnetic fields. The force acts along the line joining the charges, and is repulsive for like charges and attractive for unlike charges. Coulomb's force plays a crucial role in many areas of physics and engineering, including electromagnetism, electronics, and materials science.
To learn more about Coulomb's forces visit here:
brainly.com/question/28306447
#SPJ4
What is a car’s acceleration if it increases its speed from 5 m/s to 20 m/s in 3 s? 10 m/s2 –15 m/s2 15 m/s2 5 m/s2
Answer:
5 m/s²
Explanation:
Acceleration = change in speed/time taken
20-5=15
15/3= 5 m/s²
A uniform meter rule of Mass 150 gram is balanced on a knife edge at x meter From a Mass OF 50 gram Suspended at the 0.1m mark Find the position X of the Knife edge
If the mass of meter rule is given then the ans is 50cm automatically cuz thats the point when the mass of the meter rule adds up.
Find the position X of the Knife edge?
Given:
x - the mark on the ruler where the knife edge is
M - mass of the ruler
m - mass of the object attached to the ruler
a - the point where the mass m is attached
L - length of the ruler
Solution
The torque created by the hanging mass and the piece of ruler that is on the side where the mass is attached:
τ1=X/L M x/2+am
The torque created by the ruler mass on the other side:
τ2=L-x/L m L-x/2
Equilibrium means that
τ1=τ2
x²/2L M+am=(L-X)²/2L M
x=0.467m
To learn more about meter refers to:
https://brainly.com/question/1578784
#SPJ1
A 140-Hz sound travels through pure carbon dioxide. The wavelength of the sound is measured to be 1.92 m. What is the speed of sound in carbon dioxide?
Answer:
V = 268.8 m/s
Explanation:
The speed of a wave in general is given by the following formula:
V = fλ
where,
V = Speed of that wave
f = Frequency of the wave
λ = wavelength of the wave
In this case we have a sound wave, travelling across carbon dioxide. The properties of sound wave are as follows:
V = Speed of Sound in Carbon dioxide = ?
f = frequency of sound wave = 140 Hz
λ = wavelength of sound wave = 1.92 m
Therefore,
V = (140 Hz)(1.92 m)
V = 268.8 m/s
what is the specific internal energy of water at 50 kpa and 210°c? use data from the steam tables.the specific internal energy of water i
According to the steam tables, the specific internal energy of water at 50 kPa and 210°C is 2561.7 kJ/kg. Therefore, the specific internal energy of water at 50 kPa and 210°C is 2561.7 kJ/kg.
The specific internal energy of water at 50 kPa and 210°C can be found using the steam tables. The specific internal energy is the amount of energy per unit mass of a substance, and it is usually denoted by the symbol u. To find the specific internal energy of water at the given conditions, we need to look up the values in the steam tables for the given pressure and temperature. According to the steam tables, the specific internal energy of water at 50 kPa and 210°C is 2561.7 kJ/kg. Therefore, the specific internal energy of water at 50 kPa and 210°C is 2561.7 kJ/kg. This value can be used to calculate the amount of energy required to heat water from one temperature to another, or to determine the amount of work that can be done by a steam engine. It is important to note that the specific internal energy of a substance is dependent on its pressure and temperature, and it can be found using the steam tables or other reference data.
Here you can learn more about specific internal energy https://brainly.com/question/13162285
#SPJ11
A rectangular container of base 50 cm by 30 cm is filled with water to a
depth of 5 cm. How much is the pressure exerted at the base?
(Take pw= 1000 kg/m and g =10 m/s?)
Answer:
please find attached pdf
Explanation:
Given values are:
Height,
5 cm or, 0.05 mBase of container,
50 cmThe pressure exerted will be:
→ \(P = hdg\)
By substituting the values, we get
\(= 0.05\times 1000\times 10\)
\(= 500 \ Nm\)
Thus the above answer is correct.
Learn more about pressure here:
https://brainly.com/question/26018692
a.) Review the graphical data above and create a data table that reflects the graph (10
pts.)
the maximum clock frequency, given a critical path of 10 ns, is f = _____ mhz ?
The maximum clock frequency, given a critical path of 10 ns, is f = 100,000 MHz.
To calculate the maximum clock frequency (f) given a critical path of 10 ns, we need to invert the critical path time to find the frequency. The formula to calculate frequency is:
f = 1 / t
where f is the frequency and t is the time period.
In this case, the time period (t) is given as 10 ns. However, to convert the time period to seconds, we need to divide it by 1 billion (1 ns = 1/1,000,000,000 seconds):
t = 10 ns / 1,000,000,000 seconds
Now, we can calculate the frequency:
f = 1 / (10 ns / 1,000,000,000 seconds)
Simplifying the equation:
f = 1,000,000,000 seconds / 10 ns
f = 100,000,000,000 Hz
To convert the frequency to megahertz (MHz), we divide it by 1 million:
f = 100,000,000,000 Hz / 1,000,000
f = 100,000 MHz
Therefore, the maximum clock frequency is 100,000 MHz (or 100 GHz).
To know more about frequency , refer here :
https://brainly.com/question/14316711#
#SPJ11
DO YOU LIKE MY PHYSICS ESSAY?
Answer:
Yes
Explanation:
I love THAT SONG. And it is a good essay.
Answer: ( yes i do like your essay! )
I am breaking down in tears. /j
I should've expected this and i still fell for it
will you help me please
Answer: True
Explanation: It's true because the definition of a Command economy states that it's an economy in which production, investment, prices, and incomes are determined CENTERALLY by a GOVERNMENT.How many meters are in 22,053 kilometers? If there are 1,000 meters in one kilometer
Answer:
50m
Explanation:
Lyla walks three times per week for 45 minutes at a speed of 4.0 miles per hour. She wants to increase her time what should she do
Answer:
C. Walk four times per week
Explanation:
If she wants to increase her time then, she has to walk four times per week.
What is speed?The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object. The unit of speed is a meter/second. The generally considered unit for speed is a meter per second.
The mathematical expression for speed is given by
speed = total distance /Total time
As given in the problem Lyla walks three times per week for 45 minutes at a speed of 4.0 miles per hour. She must walk four times a week if she wants to extend her time.
Thus, the correct answer is option C.
Learn more about speed from here, refer to the link;
brainly.com/question/7359669
#SPJ2
The question is incomplete, the complete question is,
Lyla walks three times per week for 45 minutes at a speed of 4.0 miles per hour. She wants to increase her time. What should she do?
A. Walk at 4.5 miles per hour.
B. Walk for 50 minutes.
C. Walk four times per week.
D. Walk up and down more hills.
Determine whether each statement describes a solid, liquid, or gas
Answer:
1.solid
2.gas
3.liquid
4.liquid and gas
5.gas
6.liquid
7.gas
8.liquid and gas
How much work is done in the vertical direction if 125 N of force is needed to hold an object at shoulder height as a person walks 2 m forward
Work is the product of force multiplied by the distance moved, but since the distance moved in the vertical direction is zero
Work Done = 0 joules
Given data
Force = 125N
Horizontal Distance = 2 m
Vertical distance = 0 m
Formula for workWork = Force * Distance
Solution
substitute the given information
Work Done in the horizontal direction= 125*2
Work Done = 250 Joules
Learn more about work here:
https://brainly.com/question/8119756
Two 3.0g bullets are fired with speeds of 40.0 m/s
and 80.0 m/s, respectively. What are their kinetic
energies? Which bullet has more kinetic energy? What is the ratio of their kinetic energies?
\( = \sf \frac{1}{2} m {v}^{2} \)
Kinetic energy of the 1st bullet \( \sf = \frac{1}{2} \times m1 \times {(v1)}^{2} \\ \sf= \frac{1}{2} \times 0.003 \times {(40)}^{2}J \\ \sf = \frac{1}{2} \times 0.003 \times 1600J \\ \sf = 2.4J\)Kinetic energy of the 2nd bullet \( \sf = \frac{1}{2} \times m2 \times {(v2)}^{2} \\ \sf= \frac{1}{2} \times 0.003 \times {(80)}^{2}J \\ \sf = \frac{1}{2} \times 0.003 \times 6400J \\ \sf = 9.6J\) So, the 2nd bullet which has greater velocity has more kinetic energy.Therefore, the ratio of their kinetic energies\( \sf = \frac{2.4J}{9.6J} \\ \sf= \frac{24}{96} = \frac{1}{4} \\ \sf = 1 : 4\)
Answer:
The kinetic energies of the bullets are 2.4 J and 9.6 J.
The bullet having greater velocity has more kinetic energy.
The ratio of their kinetic energies is 1 : 4.
Hope you could get an idea from here
Doubt clarification - use comment section.
The kinetic energy of the two bullets are 2.4 J and 9.6 J respectively.
The ratio of the kinetic energy of the bullets is 1:4.
What is kinetic energy?The kinetic energy of an object is the energy possessed by the object due to its motion.
The kinetic energy of the two bullets is calculated as follows;
\(K.E_1 = \frac{1}{2} \times 0.003 \times 40^2 = 2.4 \ J\\\\K.E_2 = \frac{1}{2} \times 0.003 \times 80^2 = 9.6 \ J\)
Ratio of the kinetic energy of the bullets is calculated as follows;
\(K.E_1 : K.E_2 = 2.4: 9.6 \ = \ 1: 4\)
Learn more about kinetic energy here: https://brainly.com/question/25959744
Which of the following forms matter?
A. Proteins
B.atoms
C.cells
D. DNA
Answer:b) atoms
Explanation:which are in turn made up of protons, neutrons and electrons
Answer:
B. Hope it helped brainiest plz
Explanation:
B. is that answer
A 0. 2-kilogram red ball is thrown horizontally at a speed of 4 meters per second from a height of 3 meters. A 0. 4-kilogram green ball is thrown horizontally from the same height at a speed of 8 meters per second. Compared to the time it takes the red ball to reach the ground, the time it takes the green ball to reach the ground is.
The time takes for the green ball to reach the ground is equal to 0.78 s. As both balls are thrown from the same height they will take the same time to reach the ground irrespective of their velocity.
What is the equation of motion?The equations of motion can be described as the equations which establish the relationship between the time, velocity, acceleration, and displacement of a moving object.
The equations of motions as the mathematical expressions:
\(v = u +at\\S = ut +(1/2)at^2\\v^2-u^2= 2aS\)
Given, the height from which the ball is thrown, h = 3
From the 2nd equation of motion, calculate the time taken by the ball reach to the ground:
H = ut + (1/2)gt²
3 = 0 + (1/2)× 9.8×t²
t = 0.78 s
As the time is independent of the velocity of a ball so both balls take the same time to reach the ground as they are thrown from the same height.
Learn more about the equation of motion, here:
brainly.com/question/16982759
#SPJ1
The tubes that go from the trachea into the lungs
a friend of yours is loudly singing a single note at 401 hz while racing toward you at 24.3 m/s on a day when the speed of sound is 347 m/s .a. What frequency do you hear? b. What frequency does your friend hear if you suddenly start singing at 400 Hz? c. Once your friend reaches you, and you are next to each other (essentially at the same location) and not moving, your friend sings 400 Hz. You are also singing. If you hear 3 beats per second, what frequency are you singing?
The frequency of the sound heard is about 438.12 Hz and the frequency at which you are singing is 397 Hz.
What frequency do you hear?Since the sound is propagating towards you at a speed of v = 347 m/s, the frequency detected by an observer with a velocity of u = 24.3 m/s (you) can be calculated with the Doppler effect equation:
fobs = fsrc × (v + u) / (v + usrc)
where, fsrc = 401 Hz (source frequency), usrc = 0 (velocity of the source), u = 24.3 m/s, v = 347 m/s
Replacing the given values we have: fobs = 401 × (347 + 24.3) / (347 - 0) = 466.93 Hz
The frequency that you hear is 466.93 Hz.
In this case, the source is you and you are moving towards your friend with a velocity of 24.3 m/s. Therefore, the frequency detected by your friend with a velocity of v = 347 m/s can be calculated as:
fobs = fsrc × (v + usrc) / (v - u)
where, fsrc = 400 Hz (source frequency), usrc = 0 (velocity of the source), u = 24.3 m/s, v = 347 m/s
Replacing the given values we have:
fobs = 400 × (347 + 0) / (347 - 24.3) = 438.12 Hz
The beat frequency can be calculated by taking the absolute difference of the two frequencies. In this case, the beat frequency is 3 Hz. Since the beat frequency is given by:
beat frequency = |f1 - f2|
We can write the following equation: f2 = f1 - beat frequency
where, f1 = frequency of your friend = 400 Hz, beat frequency = 3 Hz
Replacing the given values we have: f2 = 400 - 3 = 397 Hz
Therefore, the frequency you are singing is 397 Hz.
Learn more about Frequency here:
https://brainly.com/question/14233442
#SPJ11
Give an example of an input/output device that is unique, and
explain how and why.
A 3D mouse is an example of a unique input/output device that is used primarily for navigating through 3D models.
This device works by providing six degrees of freedom, allowing the user to move objects in 3D space in a manner that is natural and intuitive.
How it works?
A 3D mouse works by detecting movements in six different directions, which it then translates into movements on the screen.
It is equipped with a range of buttons that can be customized to perform different functions, making it a very versatile input device.
This input device is unique because it enables users to interact with virtual 3D objects in a manner that is more natural and intuitive than using a traditional mouse or keyboard.
Why is it unique?
The 3D mouse is unique because it provides a level of precision and control that is not possible with other input devices.
It allows users to manipulate 3D models with a high degree of accuracy, making it an essential tool for professionals who work in fields such as architecture, engineering, and design.
Its ability to provide a natural and intuitive way to interact with 3D models is another factor that sets it apart from other input devices.
To know more about input devices, visit:
https://brainly.com/question/13014455
#SPJ11
5. What are protons and neutrons made up of?
Answer:
Protons and neutrons are composed of two types: up quarks and down quarks. Each up quark has a charge of +2/3. Each down quark has a charge of -1/3. The sum of the charges of quarks that make up a nuclear particle determines its electrical charge.
Answer:
Quarks
Explanation:
When we break down protons and neutrons, scientists named the building blocks of atoms "quarks". Quarks are considered in the basic basic elementary particles of the universe.
Instead of lifting the box straight up, suppose you push it up a 1. 0- m -high ramp that makes a 30 ∘ degree angle with the horizontal, as shown in (Figure 1). Being clever, you choose a ramp with no friction. How much force is required to push the box straight up the slope at a constant speed?.
The required force to push the box straight up at a constant speed is zero.
Net force on the box at constant speedThe net force on the box is calculated by applying Newton's second law of motion as follows;
∑F = 0
F - Ff = ma
(at constant speed, acceleration is zero)
\(F- F_f = ma\\\\F - 0 = 0\\\\F = 0\)
Thus, the required force to push the box straight up at a constant speed is zero.
Learn more about net force here: https://brainly.com/question/14408327
CORRECT ANSWER GETS BRAINLIEST!!! (∩^o^)⊃━☆
Each of these simple machines work around a pivot point except the __________.
a.
lever
c.
wedge
b.
pulley
d.
wheel and axle
Answer:
C. Wedge
Explanation:
Answer:
GIVE THE PERSON ABOVE BRAINLIEST UwU
Explanation:
A ball is thrown up into the air. When it falls half-way back, what kind of energy does it have?
Answer:
it's gravitational potential energy would have converted to kinetic energy half way back when it's falls
Liana draws a diagram to show the direction of the electric force acting on a charged particle in a uniform electric field.
Which change would make the diagram correct?
A. Changing the charge to negative
B. Making the field lines point down
C. Changing the force to point right
D. Removing the force arrow
Answer:
changing the force to point right is the correct answer :)
The direction of the force acting on the field should be changed to point towards the right.
What is an electric field?An electric field is referred to as the region where the influence of charge is felt. Thus, the force acts in the direction of the electric field when the field is uniform.
Having said that, it follows that the direction of the force acting on the field should be changed to point towards the right.
Learn more about electric field:https://brainly.com/question/15800304
#SPJ9
Module 3 Discussion!
After reading Ch.12 and 13 of the text (The essentials of Finance and Accounting for nonfinancial managers/ Third Edition) on Strategy and Financial Forecasting, watching the SWOT video based on Paley’s Products from the Ratio Analysis in Module 2 and the additional narrative information in Appendix C, Phase
Create a SWOT analysis that will reflect the TOWS analysis as described in Ch. 12 of the text. The purpose of the SWOT analysis is to lay out several issues and possibilities to be considered in Paley’s strategic planning. The strengths and weaknesses are internal issues, whereas the opportunities and threats are external.
The second part of the analysis is to create actions based on the SWOTs. This is sometimes called a TOWS analysis and is done by comparing the boxes, two at a time:
Offensive actions come from strengths that link to opportunities, so a specific strength can be applied to exploit an opportunity.
Adjusting actions come from addressing weaknesses, which then can be used to exploit opportunities that previously had not been possible.
Turnaround actions come from weaknesses that link to threats. These are high-risk issues where a priority needs to be given to addressing the weakness to minimize the vulnerability.
Defensive actions come from threats that link to strengths. These are latent issues because if the threat materializes, an already-existing strength is available to counter it.
Additional actions can be included to address other issues not directly identified in the SWOTs.
3. From the actions identified in part 2, pick 3-5 strategic actions that you feel Paley must achieve or at least start in the upcoming year and state your reasons for including them.
Attach your completed SWOT form and list of strategic actions with supporting logic and facts from the case as your answer for this discussion question. These actions are the foundation for the strategic plan
SWOT Analysis Strengths- Paley’s Products has a low overhead cost with the company operating at a high level of efficiency, resulting in competitive pricing.- They have a team of experienced employees who have worked in the industry for several years.- They have a variety of products in the portfolio that can satisfy customers from different sectors.- They are reputable and have a loyal customer base.Weaknesses- They have been slow to adopt new technology, and this may be a disadvantage to the company.- Limited marketing and sales promotion are affecting their sales revenue.-
They depend on a few key customers for the bulk of their sales revenue, leaving them vulnerable to market changes.Opportunities- Expansion of the product line to include unique products.- The establishment of strategic partnerships with other businesses in the industry.- Exploration of new markets, such as international markets.- Improvement of marketing techniques to increase brand awareness.Threats- Changes in consumer preferences towards environmentally friendly products.- Increase in competition from other businesses in the industry.- Fluctuating market prices for raw materials that may lead to price increases.
Strategic Actions to be taken by Paley Products1. Development of an E-commerce platform to allow online transactions with customers. The E-commerce platform will enable Paley to reach a wider customer base, expand its reach, and increase sales revenue.2. Investment in the research and development of new environmentally friendly products. Paley will remain competitive and cater to the needs of consumers who prefer green products.3. Establishment of strategic partnerships with other businesses in the industry to leverage the strength of other companies in the industry and to develop new products or increase market share.4. Improvement of marketing techniques to increase brand awareness and improve visibility. A marketing strategy that incorporates social media and other digital channels can help promote the brand to potential customers.5. Expansion into international markets. This will enable Paley to diversify its customer base and generate more revenue. Paley can start by targeting nearby countries, then expand globally as they gain more experience and financial stability.
Learn more about SWOT Analysis:
https://brainly.com/question/25066799
#SPJ11
work-energy theorem: you slam on the brakes of your car in a panic, and skid a certain distance on a straight, level road. if you had been traveling twice as fast, what distance would the car have skidded, under identical conditions?
The distance the car would have skidded, under identical conditions, if it had been traveling twice as fast is 4 times the initial stopping distance.
When a car travels at a high speed and then the driver applies the brake, the car will take some time to come to rest. The distance covered by the car while coming to rest is known as the stopping distance. The stopping distance is given by the formula:
d=1/2v²/a,
where d = stopping distance ,v = initial velocity ,a = acceleration. On applying brakes with a panic, the time taken to stop the car will be constant. This means that the stopping distance is directly proportional to the square of the initial velocity. Mathematically, we can write it as:
d₁/d₂ = v₁²/v₂²,
where d₁ = stopping distance for the initial velocity v₁, d₂ = stopping distance for the initial velocity v₂.
According to the work-energy theorem, the work done on the car is equal to the change in kinetic energy of the car. The kinetic energy of the car is given by the formula:
K.E. = 1/2mv²,
where m is the mass of the car.
Let us assume that the car has a mass of m kg. Initially, the car is traveling at a speed of v₁ m/s. After applying brakes, the car comes to rest. The work done on the car is given by:
W = ΔK.E.W = (1/2)mv₁² - 0W = (1/2)mv₁²
Now, let us assume that the initial speed of the car was v₂ = 2v₁. The work done on the car is given by:
W = ΔK.E.W = (1/2)mv₂² - 0W = (1/2)m(2v₁)²W = (1/2)m(4v₁²)W = 2mv₁²
Thus, the work done on the car when it was traveling at a speed of 2v₁ is four times greater than the work done on the car when it was traveling at a speed of v₁.
Therefore, the stopping distance will be four times greater. That is:
d₂ = 4d₁
Hence, the distance the car would have skidded, under identical conditions, if it had been traveling twice as fast is 4 times the initial stopping distance.
For more such questions on distance , Visit:
https://brainly.com/question/4931057
#SPJ11
a car is on a circular off ramp of an interstate and is traveling at exactly 25 mph around the curve. does the car have velocity?
Yes, the car has velocity which is perpendicular to the radius of the curve.
Velocity is nothing but quantity that designates how fast and in what direction a point is moving. A point always moves in a direction that is tangent to its path; for a circular path, for example, its direction at any instant is perpendicular to a line from the point to the center of the circle.
Here, the car is traveling at 25 mph around the curve, so it has a tangential velocity. Also, the tangential velocity is constantly changing in direction so the car can go to curve and not moving forward in a straight line, there should be a centripetal force acting and the velocity is perpendicular to the radius.
A centripetal force is a force that makes a body follow a curved path. Its direction is always orthogonal to the motion of the body.
hence the car is having velocity which is perpendicular to the radius of the curve.
To learn more about the velocity, visit here
https://brainly.com/question/18084516
#SPJ4
What perspective emphasizes the human capacity of personal growth?
The ability of people to grow personally is highlighted by the humanistic psychology viewpoint.
In opposition to psychoanalytic theory and behaviorism, the humanistic perspective gained popularity in the middle of the 20th century. It highlights how healthy people develop and a person's innate desire for self-actualization and creativity. The humanistic perspective seeks to understand a person as a complete rather than just via one particular component of their personality. It is a subfield of psychology that deals with the notion of being wholly original and distinctive. A school of thought or philosophy known as "psychological perspective" is one that would help someone comprehend someone else's conduct.
Learn more about psychology here-
https://brainly.com/question/10027381
#SPJ9
A cheetah running initially at a velocity of 20 m/s accelerates
uniformly at 3.0 m/s. The velocity of the cheetah will be
m/s after 4.0 seconds.
Answer: I think it’s 32 m/s
Explanation: Vi=20 m/s
Vf=?
a=3.0 m/s^2
t= 4s
Vf= Vi + at
Vf= 20 m/s + (3 m/s^2)(4s)
Vf= 20 m/s + 12m/s
Vf= 32m/s
If A cheetah running initially at a velocity of 20 m/s accelerates
uniformly at 3.0 m/s2. The velocity of the cheetah after 4.0 seconds will be 32 m/s.
To find the velocity of the cheetah after some time we can use the formula:
v = u + at
where:
v = final velocity
u = initial velocity
a = acceleration
t = time
Given:
Initial velocity (u) = 20 m/s
Acceleration (a) = 3.0 m/s²
Time (t) = 4.0 seconds
now we can put values in eq.
v = 20 m/s + (3.0 m/s²) * 4.0 s
v = 20 m/s + 12 m/s
v = 32 m/s
so the answer is 32 m/s.
To learn more about Acceleration, here:
brainly.com/question/2303856
#SPJ3
Only question 1 pleasee!!
Answer:
can you take a picture of the whole paper so I can see exactly what else it says so I can figure out the solution the only thing I see is wave speeds and speed of the sounds and distance and frequency