Friday
May 29, 2015

Posts by chloe


Total # Posts: 413

Physics
The conducting rod ab shown below makes frictionless contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.855 T, perpendicular to the plane of the figure. The length L of the rod is 25 cm. (a) Find the magnitude of the emf induced in the rod ...
July 24, 2011

Physics
The conducting rod ab shown below makes frictionless contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 0.855 T, perpendicular to the plane of the figure. The length L of the rod is 25 cm. (a) Find the magnitude of the emf induced in the rod ...
July 24, 2011

Physics
But that only gives me the force. I need the charge to help me find electric field
July 17, 2011

Physics
A proton is released from rest in a uniform electric field. After the proton has traveled a distance of 10.0 cm, its speed is 1.4 x 106 m/s in the positive x direction. Find the magnitude and direction of the electric field.
July 17, 2011

physics
Find the magnitude and direction of the net electrostatic force exerted on the point charge q3 in the figure below, where q = +2.5 μC and d = 28 cm. The picture is of a square. q1=+q, q2=-2q, q3=-3q, q4=-4
July 17, 2011

physics
Find the magnitude and direction of the net electrostatic force exerted on the point charge q3 in the figure below, where q = +2.5 μC and d = 28 cm. The picture is of a square. q1=+q, q2=-2q, q3=-3q, q4=-4
July 17, 2011

Physics
Ok that makes much more sense. Thank you for your help!
July 15, 2011

Physics
I dont understand what you're trying to say when you're saying to add. Can you elaborate more?
July 15, 2011

Physics
A charge q =+ 4.11 x 10 - 9 C is placed at the origin, and a second charge equal to -2q is placed on the x axis at the location x = +1.00 m. (a) Find the electric potential midway between the two charges. (b) The electric potential vanishes at some point between the charges. ...
July 15, 2011

math
1+1=2 D
June 27, 2011

english / laungage
3. In “The Celebrated Jumping Frog of Calaveras County,” Jim Smiley’s horse wins races by A) attacking all the other horses in the race. B) raising a lot of dust so the other horses can’t see where to go. C) barreling past the other horses, after having a ...
May 24, 2011

microbiology
What dilutions would have to me made (from a starting concentration of 5 x 10^8 cells per ml) to achieve a final concentration of 1 x 10^3 cells per ml?
May 8, 2011

math
A crime wave
April 25, 2011

english
how do you start a good beggining of a story plz help
April 10, 2011

math
how do you do translations
April 9, 2011

College Algebra
Angela cam comlete a project in 2 hours. it takes Jason 3 hours to complete the same project. how long will it take for them to complete the project together?
March 30, 2011

science
thankyou jai
March 23, 2011

science
julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.
March 23, 2011

science
julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.
March 23, 2011

science
sorry theres something wrong with what has just happened
March 23, 2011

science
julie carried out a chemical reaction using magnesium and an acid the products of the reaction were magnesium chloride and hydrogen. julie collected a test tube of the hydrogen. describe what she should do to show that it was hydrogen.
March 23, 2011

General
An advertisement has the best chance for success if it: is accompanied by loud music and rapid banter. is above threshold. contains a single subliminal message. contains a grouping of words repeated below threshold.
March 19, 2011

Psychology
Which one of the following statements about the gate-control theory is true? Pain impulses create a gate leading to the brain. The brain is capable of generating pain on its own. The gate closes when pain messages go to the brain. Damage to small nerve fibers lets pain through...
March 19, 2011

Psychology
The "face module," located in the right temporal lobe of the brain, explains why: the cells fire when a dog lover looks at pictures of show dogs. infants are not afraid to go to strangers. ganglion cells in this area respond to simple features. we need only the right...
March 19, 2011

Chemistry
EEG, PET, and TMS are all: (Points: 5) laboratory observations that introduce experimenter bias into the study. descriptive methods for studying the brain. standardized methods for studying the brain. experimentally controlled technologies for brain-wave analysis. I think it ...
March 17, 2011

Science
The brain can be studied by using: (Points: 5) electrical, biochemical, and magnetic means. radio frequencies, computers, and neurotransmission. neurotransmitting, electrical, and biochemical means. biochemical, neurotransmitting, and magnetic means. i think it is C but not sure
March 17, 2011

general
A tragedy hits a small town. The elementary school explodes into flames trapping several classes of second graders. Because the volunteer fire department will take too long to get there, teachers and classified staff remove all the children to safety without considering the ...
March 17, 2011

science
rosie tried to use a maganet to stick a memo on to her mirror it would'nt stick. explain why!
March 17, 2011

Psychology
Which one of the following statements about intelligence is the most accurate? IQ is a valid measurement, and environmental factors do not change mental ability. Intelligence is mostly genetic, has the most variability between groups, and is reliable regardless of the ...
March 16, 2011

maths
can you show me how to do it
March 16, 2011

maths
please help me
March 16, 2011

maths
shane wants to paint the outside of his house, the area to be painted is 217m2. five litres of paint will cover an area of 62m2. how many litres of paint will shane need to paint the outside of his house!
March 16, 2011

maths
thanks
March 15, 2011

maths
899
March 15, 2011

maths
895
March 15, 2011

maths
1899
March 15, 2011

maths
sorry and the following week the number of visitors were 900 to the nearest 100 what is the largest number of visitors that could have visited the leisure centre that week
March 15, 2011

maths
thanks very much
March 15, 2011

maths
a leisure centre recordsthe number of visitors each week in one particular week there were 1372 visitoros the following week the number of visitors was 900 to the nearest hundred! what is the smallest number of visitors that could have visited the leisure centre that week?
March 15, 2011

Intro to psychlogy
that is the wrong answer i think i need some help
March 14, 2011

Intro to psychlogy
Thank you i am thinking the answer is A
March 14, 2011

Intro to psychlogy
Which one of the following statements about intelligence is the most accurate? IQ is a valid measurement, and environmental factors do not change mental ability. Intelligence is mostly genetic, has the most variability between groups, and is reliable regardless of the ...
March 14, 2011

Intro to Psychology
B is the correct answer
March 14, 2011

Intro to Psychology
ok is it C! This is a tricky question...
March 14, 2011

Intro to Psychology
Genetics and what we inherit from our biological parents play a significant role in our intelligence level. In fact, researchers have found that: adopted children are more similar in IQ to their adoptive parents than to their birth parents. identical twins raised apart are ...
March 14, 2011

Intro to Psychlogy
One of the best ways to compute heritability is to compare: adopted children compared to adopted siblings. blood relatives who live in the same area. fraternal twins reared in different environments. identical twins reared in different environments. please help i think it is D
March 14, 2011

Psychology
The sentences, "Lee gave the ball to Lynne" and "Lynne received the ball from Lee," have the same: surface structure. syntax. surface and deep structures. deep structure. I am going for C Not Sure
March 14, 2011

Psychology
Random assignment can be described as a research method: used to balance the independent and dependent variables. no longer used because of its unpredictability. increasing the likelihood that the experimental group and control group will be different. used to balance the ...
March 14, 2011

Psychology
An experimenter is studying how time spent on a cell phone affects people's ability to drive safely. Driving the car is the: dependent variable. coefficient of correlation. independent variable. operational condition. I think the answer is A but i am not sure
March 14, 2011

maths
sorry how many minutes will it take 8 monkeys
March 6, 2011

maths
if it takes 1 monkey to eat a banana in 1 minute how long will it take 8 monkeys to eat 8 bananas
March 6, 2011

english
thank you so much i apperciate that
March 4, 2011

english
thanks how are animals treated nicely
March 4, 2011

english
please help
March 4, 2011

english
can you tell me your views on how people treat animals for example keeping animals as pets please help im stuck
March 4, 2011

French HELP
write instead of 15 write quanze all spelling is fine
March 4, 2011

science
sulphuric acid + sliver = hydrochloric acid + calcium = not sure on how to do these
March 2, 2011

maths
doesnt matter
February 28, 2011

maths
what i don't get you how do you get 45 percent
February 28, 2011

maths
how do you get 45 percent of something urgent thankyou
February 28, 2011

maths
its ok i got the answer
February 24, 2011

maths
what sides do i double
February 24, 2011

maths
i don't fully understand
February 24, 2011

maths
is it
February 24, 2011

maths
is it 0 or 2
February 24, 2011

maths
but im not sure can you show me you don't need to tell me the answer
February 24, 2011

maths
sorry can i ask you one more question related to that one if y=-3 what is the value of x
February 24, 2011

maths
thankyou so much i find them very hard
February 24, 2011

maths
please
February 24, 2011

maths
this is urgent y=1/2x - 1 if x equals 4 what does why equal? please help
February 24, 2011

english
please help if you dont know its fine!
February 18, 2011

english
can you please tell me a bit about mamma mia the musical /movie?
February 18, 2011

maths
how do you draw translations of rotation of 90 degrees im not sure?
February 16, 2011

maths
i know i didnt relaise
February 16, 2011

maths
calculate the area 1.76 and 1.76 writr your 2 decimal answer to the two decimal places. i'm not sure if its 3.0976 and to the two decimal place its 3.10 could someone tell me if im right. thankyou
February 16, 2011

science/chemistry
writeacher can you please tell what this is about
February 16, 2011

science/chemistry
please hellllllp me!!
February 16, 2011

science/chemistry
what does these equations mean metal+water=metal hydroxide+hydrogen
February 16, 2011

FINITE
the probability that both balls are red are:4/8 0r 1/2
February 16, 2011

Business Communication
Thank you!
February 13, 2011

Business Communication
You are writing to a reader who favors a different solution than the one you recommend. Which of the following is MOST likely to persuade the reader? (Points: 5) Describe your reader's solution first, explain why it won't work, and then go on to describe your own ...
February 13, 2011

Business Communication
I am sorry this is my first time on here and do not know but i think it is C but is not sure
February 13, 2011

Business Communication
You have four reasons for saying "no." Two of them are very strong reasons, one has a tiny loophole and one is very weak. In your message you should: (Points: 5) include all four reasons. omit the very weak reason and use the other three. use only the two strong ...
February 13, 2011

Math
I am having trouble figuring out how to solve these logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logx-y8=-3
January 23, 2011

Math
I am having trouble figuring out how to solve these logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logx-y8=-3
January 23, 2011

Math-Advanced Functions
I am having trouble figuring out how to solve this logarithms. Could someone please help! log2(log4x)=1 and solve for x and y: (1/2)^x+y= 16 logx-y8=-3
January 23, 2011

Math
A woman wants to measure the height of a nearby tower. She places a pole in the shadow of the tower so that the shadow of the pole is exactly covered by the shadow of the tower. The distance between the pole and the tower is , and the pole casts a shadow that is long. How tall...
December 19, 2010

7th grade
Okay, so what are the axiom names? (honors math) Should this go in the 8th grade place? Oh well...
December 13, 2010

Biology
1st paragraph* typo
December 10, 2010

Biology
Well, the first question is telling what it has to be about and the 2nd is telling what needs to be answered in the assignment. Would the mistletoe fall into this category? if so, I would like this to be my plant choice.
December 10, 2010

Biology
Angiosperms (flowering plants) are the largest phylum in the plant kingdom (Angiospermophyta is also called Anthophyta or Magnoliophyta). These plants have true roots, stems, leaves, and flowers. The roots grow into the soil to anchor the plant in place and take up water and ...
December 10, 2010

physics
the average speed of light slows to .75 c when it refracts through a particular peice of plastic. a) What change is there in the light's frequency in the plastic? b) It's wavelength?
November 21, 2010

Chemistry
Would there be any effect on the amount of precipitate if tap water containing calcium ions is used instead of deionized water to dissove the reactants? Assume that Na2CO3 is present in excess
November 8, 2010

1st grade
In the past, they had fun every day
November 8, 2010

science
Explain why turning is a form of acceleration?
October 27, 2010

math
draw a 5cm x 5cm grid in your homework book. your task is to break the grid up into rectangles of the correct size. your grid must contain 6 x 2cm rectangles, 3 x 3cm rectangles and 1 x 4cm rectangle (or square) how do i do this??
October 20, 2010

physics !!
How do I calculate the person of error in Centripetal force if it arises from 1% error of the Radius = 5.4 ?
October 10, 2010

Pre-Cal
I've been trying to work this problem out for the past week and still havent managed to get to the answer. jeans unlimited sold 6000 pairs of jeans in october at an average of 44$ each. The company president decides that she must increase the company's profits by ...
October 8, 2010

English ..
How long have animals been used for fables ? 50 years ? 4 centuries ? Millenia ?
October 4, 2010

MathEMATICS
high fountain of water is located at the center of a circular pool. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 15.0 m. Next, the student stands at the edge of the pool and uses a protractor to gauge the angle of ...
October 4, 2010

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