Physics High School

If you hold a bar magnet in each hand and bring your hands together, will the force be attractive or repulsive if the magnets are held:
a) with the two north poles together?
b) with a north pole and south pole together

Answers

Answer 1

Answer:

Part A:

They will repel each other because same poles repel each other.

Part B)

They will attract each other because different poles attract each other..

Related Questions

A box is dragged across a floor by pulling on a rope attached to the crate and inclined 25 o above the horizontal. If the coefficient of static friction is 0.64, it requires a force of 350 N to just start it moving. What is the mass of the box

Answers

Answer:

[tex]m=35.58 kg[/tex]

Explanation:

Using the first Newton's equation

[tex]\Sum F_{T}=F-mgsin(25)-\mu mgcos(25)=0[/tex]

We just need to solve it for m:

[tex]m=\frac{F}{g(sin(25)+\mu cos(25))}[/tex]

[tex]m=\frac{350}{9.81(sin(25)+0.64cos(25))}[/tex]

[tex]m=35.58 kg[/tex]

I hope it helps you!

What is the overall charge of the wall?

Answers

Answer:

The overall charge on the wall is zero.

Explanation:

Because the atoms making the wall are neutral i.e. number of positive charges are equal to number of negative charges.

The speed of an electromagnetic wave is a constant, 3.0 × 108 m/s. The wavelength of a wave is 0.6 meters. What is the frequency?

Answers

Answer:

The answer to this should be: 5.0 x 10⁸ Hz

Explanation:

The speed, s, of a wave, equals the product of its frequency, ν, times its wavelength, λ:

s = νλ.

As the question states, the speed of an electromagnetic wave is a constant, c, equal to 3.0 × 10⁸ m/s.

Substituting this constant in the equation for the speed of the wave, you get:

c =  νλ.

From that equation, you can solve for the frequency to show the inverse realation of frequency and wavelength:

ν =  c / λ

Now, you just have to substitute values and compute, leaving you with:

5.0 x 10⁸ Hz

De acuerdo al calendario ecológico 2020, escriba cuanto CO2 produce el Ecuador y en un resumen máximo de 7 líneas, determine porque son importante los humedales en la biodiversidad.

Answers

Answer:

43,919.66 Kilotones de Co2 en 2016.

Explicación:

Ecuador produce 43,919.66 Kilotones de Co2 en 2016. Las tierras húmedas son muy importantes para la biodiversidad porque proporcionan hábitat a millones de animales. Alrededor del 35 por ciento de todas las especies amenazadas y en peligro vive en estas tierras húmedas. Estas tierras húmedas son altamente productivas y tienen la capacidad de mejorar la calidad del agua, prevenir la degradación del suelo y proporcionar alimentos a los animales que viven en estas tierras húmedas.

Newton’s third law of motion says that for every action there is a(n) and opposite reaction.

Answers

Answer:

for every action thete is an equal and opposite reaction

Answer:

Newton’s third law of motion says that for every action there is a(n)

equal and opposite reaction.

Explanation:

just got it right edg 1928

Other Questions
Citing specific textual evidence from Sophocles' Antigone, was Antigone wrong to break Creon's law when his law interfered with her religion and the well-being of her family member? Why or why not? What does this play tell us about societal values in Ancient Greece? file:///C:/Users/solma/Downloads/Sophocles,%20Antigone%20(1).pdf In American history, immigration has played an integral role in society. In the nineteenth and early twentieth centuries, first-generation immigrants who came to the United States often dealt with language and social barriers. In the late twentieth century, second- and third-generation immigrants faced the challenge of following their traditional heritage and fitting into American society. 1. Consider how cultural diversity defines American society and literature. Is the American identity static or fluid over time? Jana has 1500 in her bank account.She has 270 euros of money left from her last holiday andshe wants to put this into her bank account.The bank will convert the euros into pounds using 1 =1.1452 euros.The bank deducts a fee of 0.89 from her savings accountfor this conversion.How much money does Jana now have in her bankaccount? A weight loss program should have all of the following characteristics except:_______. a. use MyPyramid as a pattern for food choices. b. the plan should adapt to habits and tastes. c. the plan should have a weight loss goal of 3 to 5 pounds per week. d. the plan should be socially acceptable, allowing attendance at parties and restaurants. A biologist is studying how green sea turtles choose where to lay their eggs. She makes a hypothesis that because this species is related to other sea turtles through common ancestry, they probably all use the same process. This biologist formed her hypothesis using:________a. A hunch b. The unifying theory of evolution c. Experimentation d. The scientific method e. Observations of green sea turtles' behavior Hawaii sits over a hot spot, causing multiple volcanoes. What type of rock would you expect to find in Hawaii? whoevr read "the other wes moore" by wes moore,plz click this question.i need your help.if u have not read it,keep it moving,nothing to see here. In chapter 3,it talks abt the other wes moore's mom,mary, and abt her education.the question is "if mary views school and education as important for herself,why did she not make sure tht her kids felt the same way?? Using the completing-the-square method, rewrite f(x) = x2 + 10x + 7 in vertex form How did Palestinian Arabs react to the plan proposed by the United Nationsto divide Palestine into two separate states? A client believes that XYZZY stock has topped out in price and is ready for a steep drop. What recommendation would give the customer the smallest profit if this occurs The psychologist most closely associated with the school of functionalism is Please answer this question in two minutes what is the molar mass of magnesium tartrate A company rounds its losses to the nearest dollar. The error on each loss is independently and uniformly distributed on [0.5, 0.5]. If the company rounds 2000 such claims, find the 95th percentile for the sum of the rounding errors. A LINE PASSES THROUGH THE POINTS. what is the EQUATION OF THE LINE? (2,-4) and (6,10)? Simple and easy questionplease help "Pros and Cons of technology in education and healthcare Reflective clinicians often absorb the tenets and techniques associated with major theoretical approaches to counseling and then interpret and organize them in ways that are useful for their own work. This aspect of reflective practice is an example of Does Walter Mitty buys a pair of glasses? O TrueO False The process of generation of force by the high speed that pushes the jet engine forward is based on Newtons _____ law of motion ?