Tuesday

June 28, 2016
Total # Posts: 1,127

**Physics**

7. Two metal spheres are suspended from insulating threads. A negatively charged rod is brought near these spheres. One sphere is pushed away from the rod and the other is attracted toward it. Describe the behavior of the spheres. SOLUTION: ----> {Metal sphere attracted to ...
*May 29, 2009*

**Physics**

Why does a piece of iron behave like a temporary magnet when placed in a magnetic field? SOLUTION: Iron consists of many small magnetic domains which all line up and temporarily behave like an ordinary magnet when iron is placed in an external magnetic field. IS this right?
*May 27, 2009*

**physics**

Current passing through a conductor is increased from 10 A to 15 A. This decreases the strength of the magnetic field produced by the conductor. True The direction of the force on doubly ionized helium atoms (alpha particles) moving at right angles to a magnetic field is ...
*May 24, 2009*

**physics**

10. How much current is required to produce a force of 0.96 N on a 75 cm long wire oriented at right angles to a 0.24 T magnetic field? A. 0.050 A B. 0.17 A C. 5.3 A D. 0.19 A 5.3 A (<--- (0.96)/((75.0e-2)*(0.24)) )
*May 24, 2009*

**physics**

What is the direction of the force acting on a current-carrying conductor lying in a magnetic field? A. It is in a direction opposite to the direction of the magnetic field. B. It is at angles to the direction of the current. C. It is at right angles to both the direction of ...
*May 24, 2009*

**adult education**

The lifetimes of lightbulbs of a particular type are normally distributed with a mean of 290 hours and a standard deviation of 6 hours. What percentage of the bulbs have lifetimes that lie within 1 standard deviation to either side of the mean?
*May 23, 2009*

**physics**

A 0.050-m-long wire is carrying a current of 2.0 A at right angles to a 0.15-T magnetic field. What is the magnitude of the force exerted by the magnetic field on the wire? A. 0.015 N B. 0.0037 N C. 0.67 N D. 6.0 N It's A right? 0.05*2*0.15
*May 21, 2009*

**MS. Sue**

Thank you again.
*May 18, 2009*

**communication**

What role does perception play in interpersonal communication?
*May 18, 2009*

**uop**

How many riders would there have to be on a bus to yield (a) a 50 percent probability that at least two will have the same birthday? (b) A 75 percent probability? Hint: Use LearningStats.
*May 17, 2009*

**math**

find the 19th term to: 4,6,8,10
*May 17, 2009*

**Webkinz**

Do u have webkinz teel me your username for the website so we can be friends
*May 14, 2009*

**Science**

How do you get a stem of a flower to support the petals for a science model?
*May 14, 2009*

**Health**

Should i do a model of the human mouth
*May 14, 2009*

**Health**

What kind of project should i do on the human mouth
*May 14, 2009*

**Physics**

1. What evidence did ancient Greek astronomers have that Earth does NOT move? The answer is because of the lack of parallax, but then there's a follow-up question... 2. How do we knoew it DOES?
*May 3, 2009*

**math 115**

Automobiles and small trucks account for 84% of the travel to and from work in the United States. What fraction represents all other means of travel to and from work in the United States?
*May 3, 2009*

**math**

If a rectangular prism has a length of 14 cm. , width of 11 cm. , height of 19 cm. , what is the surface area?
*May 3, 2009*

**Math 115**

A community service organization has 4 men and 21 women in its membership. Write the ratio of women to men
*May 3, 2009*

**MS. Sue**

THANK YOU
*April 27, 2009*

**communication**

Interpersonal Communication mean to you
*April 27, 2009*

**communication**

How do you analyze and use database in schools?
*April 10, 2009*

**science**

5700
*April 4, 2009*

**Stats**

The average price for new mobile homes is known to be distributed with a standard deviation of 350. if a random rample of 49 homes resulted in a sample mean of 38500, obtain a 90% confidence interval on the population mean.
*March 24, 2009*

**Types of Business Writing**

I just would like you to proof read.
*March 24, 2009*

**Types of Business Writing**

Write an e-mail of 6–10 sentences based on the scenario described here. Your boss has asked you to set up a meeting with a client, Joceyln Talbot, for next Wednesday at 2:00 pm. He wants to meet at the King Charles Hotel on River Street and have a lunch meeting. He’...
*March 24, 2009*

**Statitics**

25 periodicals have a mean of $180 and a standard deviation of $12. form a 95% confidence interval on the population mean.
*March 20, 2009*

**Stats**

Approximate the probability of less than 90 infant deaths in a sample of 1000 births, if the infant mortality rate is 0.10. P(X<90)
*March 20, 2009*

**statistics**

A pilot study has revealed a sample standard deviation of 16 for age of people in the work force. How large a sample must be chose to obtain an estimator of the mean that, with 95% confidence, will be correct to within 2 years?
*March 20, 2009*

**6th grade**

of all theswimmers, 7/10 got to the pool by car, 1/5 took the bus, and 1/6 walked. how many more came by car than on foot? How many fewer came by foot?
*March 17, 2009*

**Business law**

Under the Electronic Signature in Global and National Commerce Act of 2000, electronic signatures can be verified by all of the following EXCEPT: a. by a secret password known by the signing party (signatory) b. by a digitally encoded smart card belonging to the signatory c. ...
*March 15, 2009*

**us history**

what economic intrests did americans have in hawaii
*February 25, 2009*

**math**

A machine is either working (state 1) or not workind (state 2). If it is working one day the probability that it will be broken the next day is 0.1. If it is not working one day the probability that it will be working the next day is 0.8. Let Tn be the state of the machine n ...
*February 17, 2009*

**math**

A machine is either working (state 1) or not workind (state 2). If it is working one day the probability that it will be broken the next day is 0.1. If it is not working one day the probability that it will be working the next day is 0.8. Let Tn be the state of the machine n ...
*February 15, 2009*

**Physics - urgent!!!**

oh ok, I see that now; thank you very much! :)
*February 8, 2009*

**Physics - urgent!!!**

oh okay, thank you. Could you mind explainig how you got the velocity, please?
*February 8, 2009*

**Physics - urgent!!!**

A swimmer tries to go straight across a river that is 500m wide. The swimmer can swim at 1.5m/s. There is a current of .05m/s downstream. Calculate a) the actual velocity of the swimmer b) how long it will tale to reach the far shore c) how far donstream the swimmer will hit ...
*February 8, 2009*

**Physics - plrase help**

I'm really confused by this question; I really need help with it.
*February 8, 2009*

**Physics**

A swimmer tries to go straight across a river that is 500m wide. The swimmer can swim at 1.5m/s. There is a current of .05m/s downstream. Calculate a) the actual velocity of the swimmer b) how long it will tale to reach the far shore c) how far donstream the swimmer will hit ...
*February 8, 2009*

**Physics - please, please help me!**

oh, okay, well, thanks for trying; I wish I could givr you more information, but that's all my worksheet says...
*February 8, 2009*

**Physics - please, please help me!**

A plane tries to head away from an airport at 500km/h[N], but finds that its true velocity is 450km/h[N35degreesE] due to headwinds. What is the velocity of the wind? I'm supposed to be using components, so for N-S I used 500+450sin(55 which got me 868.6 then, for E-W I ...
*February 8, 2009*

**Physics - I'm really, really lost**

A plane tries to head away from an airport at 500km/h[N], but finds that its true velocity is 450km/h[N35degreesE] due to headwinds. What is the velocity of the wind? I'm supposed to be using components, so for N-S I used 500+450sin(55 which got me 868.6 then, for E-W I ...
*February 8, 2009*

**math**

If the population is bell-shaped, then the interval that is 3 standard deviation away from the center contains what percent of data in the population?
*February 7, 2009*

**MS. Sue**

It is perfect. THANK YOU
*January 30, 2009*

**question**

Are relationships better explained through staged theories or through dialectives?
*January 30, 2009*

**communication**

what is the difference between Coordinated Management of Meaning and Symbolic Interactionism?
*January 21, 2009*

**Math**

If Bill drives 45 MPH and Jim leaves 2 hours later and drives 75 MPH and they both maintain constant speed, how long will Jim travel before passing Bill?
*January 8, 2009*

**math help urgent**

I can't see anything besides that y=-2.5 because you divide by a negitive
*January 7, 2009*

**algebra 2**

factor this: x^2-6=10
*January 7, 2009*

**speech**

well, in my state choir we use the schwa all the time for words like the and divine. I don't know where you'll find videos, but I can tell you how you pronounce it. It's like a "u" sound. (like "uh)
*January 7, 2009*

**Maths**

Find all the values of x between 0 and 2(pi) for which sin x + (root 3)cos x = 0
*December 26, 2008*

**math**

The graph of 8y-2x=-10 has what x intercept & y intercept?
*December 5, 2008*

**Education**

Fill in the table by describing the role and influence each group has on curriculum. Some may have direct influence and some may have indirect influence. Identify whether their influence deals with selecting, maintaining, or evaluating the curriculum and in what ways they ...
*December 5, 2008*

**Chem. Find specific heat capacity.**

You are right.
*November 30, 2008*

**math**

what are like terms and why are they used because i need to write a page of notes and i am only give a few sentences?
*November 16, 2008*

**English**

The subway travels at fast speed under the ground.
*November 13, 2008*

**MS. Sue**

Thanks again
*November 6, 2008*

**teaching**

What are organizing procedures and resources in a classroom?
*November 6, 2008*

**Physics**

Organ pipes, open at one end, resonate best at their first resonant length. Two pipes have length 23.0 cm and 30.0 cm respectively. What is the wavelength of the sound emitted by each pipe? What are the respective frequencies if the speed of sound is 341 m/s? What is the air ...
*November 5, 2008*

**At-Risk children**

Create a plan for identifying potential students for the new at-risk program by completing the following points: These are the questions I have to yse. What part of the at-risk population will the program serve? 2. How will students be identified for the program? 3. How will ...
*November 2, 2008*

**At-Risk children**

Can someone help me with an idea on a program for At-Risk children?
*November 2, 2008*

**at risk children**

I am taking a Diversity in the Classroom lesson for college.
*October 30, 2008*

**at risk children**

I need to find a website with adolescents with signs of being abused, using drugs and have suicidal tendencies.
*October 30, 2008*

**science**

How can you provide relevant hands-on learning in a science classroom when few resources are provided by the school? How can you ensure student safety and involvement in the science classroom?
*October 29, 2008*

**teaching**

what is the difference between constructivist and inquiry-based learning?
*October 27, 2008*

**science**

How does inquiry-based learning differ from the traditional model, with the teacher as the source of all instruction?
*October 26, 2008*

**language and Diversity**

How do schools meet the needs of the ELL students without breaking state laws?
*October 25, 2008*

**math**

Thank you bobpursley.
*October 24, 2008*

**math**

What is a mathematical concept?
*October 24, 2008*

**language and Diversity**

Where could I find a two instances of conflicts between the legal and ethical issues confronting the education of English Language Learners./Then< how do schools meet the needs of the ELL students without breaking state law?
*October 24, 2008*

**10th grade**

Are there any sounds-a body of water- in Africa?
*October 24, 2008*

**languages**

Is there a web site that can help students out, if they can not speak English?
*October 23, 2008*

**eth 125**

• Consider these questions: What are the most significant similarities between the Chinese American and Japanese American [cultural] experiences? What are the differences? (Schaefer, 2006, p. 352) • Choose from any of the following topics when considering ...
*October 23, 2008*

**Basic chem question**

3dz2 how many orbitals can this have?? what is the z?
*October 21, 2008*

**math**

What strategies can you use to help students cope with math anxiety? How can you make math class interesting and fun as well as relevant?
*October 21, 2008*

**MS. Sue**

Thank you again
*October 19, 2008*

**social studies**

how do I make a virtual field trip for upper elementary and middle school students about social studies.
*October 19, 2008*

**college physics help please...**

The location of the center of mass of the partially eaten, 11 inch diameter pizza (r = 5.5) shown in Figure 9-20 is Xcm = -1.1 in. and Ycm = -1.1 in. Assuming each quadrant of the pizza to be the same, find the center of mass of the uneaten pizza above the x axis (that is, the...
*October 19, 2008*

**physics help please....**

After fixing a flat tire on a bicycle you give the wheel a spin. (a) If its initial angular speed was 5.17 rad/s and it rotated 10.6 revolutions before coming to rest, what was its average angular acceleration? rad/s2 (b) For what length of time did the wheel rotate? s
*October 19, 2008*

**philosophy**

What is the distinction between deductive and inductive arguments? Give an example of each to make your explanation clearer.
*October 17, 2008*

**MS. Sue**

Thank you very much for your help.
*October 16, 2008*

**ENGLISH**

I am doing a group project and i have to make the mla heading but i don't know how to do that with multiple names. i have already looked it up on the internet and in my mla format book and it doesn't say how to write it in either. i also want to know how i would make ...
*October 16, 2008*

**social studies**

I imagine anywhere from 5th thru high school
*October 16, 2008*

**social studies**

I imagine anywhere from 5th thru high school.
*October 16, 2008*

**social studies**

I need some help with instructional strategies for encouraging community involvement and global awareness for social studies students. Please
*October 16, 2008*

**teaching**

What are the five key educational issues related to the First Amendment?
*October 16, 2008*

**US HISTORY**

How did Alexander Hamilton significantly impact the early history of the American republic as a reult of his political principles and philosophy which impacted the American political traditions?
*October 15, 2008*

**social studies**

I need please, how can I find the different approaches you can use for teaching controversial versus noncontroversial subjects.
*October 13, 2008*

**language arts**

What is the difference between constructivist classroom and traditional classroom?
*October 12, 2008*

**SOCIAL STUDIES**

idk. we didnt learn this and its not in my book so i need some help
*October 12, 2008*

**SOCIAL STUDIES**

i dont understand this at all. can you help? what are three goals of conquistadors?
*October 12, 2008*

**Social Studies**

but isnt a and b the same answers
*October 12, 2008*

**language arts**

Could someone suggest one way that teachers can integrate content and instruction in an English language arts classroom. It will give me an idea how to anwser the question. Thank you
*October 8, 2008*

**education**

What are some factors that contribute to the disproportional representation of minority students in special education classes?
*October 7, 2008*

**language arts**

How can these teachers overcome obstacles to literacy or resistance on the part of students?
*October 7, 2008*

**language arts**

How can English language arts teachers create a literacy-rich environment in their classrooms?
*October 7, 2008*

**education**

What makes a lesson plan effective?
*September 28, 2008*

**ALGEBRA**

i am so confused on this. can you please help me Write three expressions equivalent to 3(x+y)+xy
*September 28, 2008*

**education**

How can the state standardseffect your planning and instruction for 7th grade language Arts?
*September 27, 2008*

**Math**

I need to express the following in equivalent form: m-2/m^2-5m+6 , 2x+6/x^2-6x-27 , a^2+a/a^2+2a+1 , 2w+1/2w^2+2w+1 , 8Z+6Z^2/9z^2-16 I really don't understand how I can do this if the denominator is smaller and I just don't see how I can simplify since I think that&#...
*September 25, 2008*