sophie

This page lists questions and answers that were posted by visitors named sophie.

Questions

The following questions were asked by visitors named sophie.

why use a 3 wire system instead of a 2 wire system when wiring an electric heater with metal casing So the metal casing can be "grounded" andnot aquire the potential lethal voltage if a 110 V wire inside becomes loose, wet or loses its insulation. If this...
18 years ago
my writing is not very nice and neat should i practice more Here is what you can do: Start a Journal (blank book), writing on alternate pages. Write in it every day. Weekly, give it to a trusted friend (mom, aunt, friend) who can take the journal and mark...
18 years ago
i have trouble with my subtractioin i also have problems with my spellings please help Please check these sites for games to help you improve your spelling. http://www.funbrain.com/spell/index.html http://www.eduplace.com/kids/hmsv/smg/ Please post a subt...
18 years ago
solve for n where it is p(n,5)=42xP(n-3)
17 years ago
how many arrangements can be formed from all the letters in the word parallel?
17 years ago
an octagon has 8 sides. how many diagonal does an octagon have
17 years ago
i don't know what an understood pronoun is
17 years ago
i have to do a box all about me, i just can't think on what to do? maybe a catwalk but like what?
16 years ago
i really need some help!! i understand the parts of the heart and their names, but i am really confused on the cardiac cycle graph that shows the pressure of the heart at certains stages HELP ME PLEASE!
16 years ago
i have to write a full A4 page with no pictures about Franz Marc but i can not find enough info i have when he was born where an when he died an some other stuff but i am not sure what else to think of an put in!!!
16 years ago
i am doing a project about franz marc an i need some info on one of his animal paintings this info consists of: name: when it was made: how it was made: what it was about: does it tell a story: what is in it: is it happy sad boreing etc: how you feel: and...
16 years ago
does anyone know where the yellow cow painting by Franz Marc i displayed?
16 years ago
what is franz marcs most famous painting(appart from the yellow cow)
16 years ago
hello me again! i am now looking at the wounderful painting of "little blue horses" by Franz Marc, dose anyone know any good websites where i can find the background history of this painting! i would be very greatful, an also if anyone konws of any quotes...
16 years ago
Which of the following physical properties can be used to measure temperature using a thermometer? A. volume B. pressure C. density D. viscosity I think the correct answer is D?
16 years ago
1. In a gas kept at a constant temperature, all molecules move with the same speed. A. True B. False 2. A hot object has more thermal energy than a similar cold object only because of greater kinetic energy. A. True B. False 3. The thermal energy of the p...
16 years ago
The thermal energy of the particles in a gas is related to the temperature of the gas. A. True B. False This question is a bit tricky, but I think it is true?
16 years ago
Heat is added to an open container of a liquid. The liquid is brought to its boiling point and half the liquid boils away. Which of the following graphs shows how the temperature changes with this time period? Would the graph be just an ascending line?
16 years ago
The melting point of a solid is 90.0 degrees C. What is the heat required to change 2.5 of this solid at 40.0 degrees C to a liquid? The specific heat of the solid is 390 J/kg (K) and its heat of fusion is 4000 J/kg. A. 4.9 10^4 J B. 1.0 10^4 J C. 5.9 10^...
16 years ago
You are creating a transverse wave in a rope by shaking your hand from side to side. Without changing the distance that your hand moves, you begin to shake it slower and slower. What happens to the frequency? What happens to the amplitude? What happens to...
16 years ago
Doubling the amplitude of a wave will double the amount of energy the wave can transfer. A. True B. False <---answer (not sure) The medium determines the speed through which most mechanical waves will travel. A. True <---answer (not sure) B. False
16 years ago
Shaking a towel up and down would create what type of wave in the towel? A. Transverse <---answer (I think) B. longitudinal C. surface For the medium to remain undisturbed as two pulses pass the same point, they must have A. equal amplitudes B. opposite a...
16 years ago
For incomplete cancellation to occur, opposite pulses must have A. equal amplitudes B. different energies C. equal pulses D. equal displacements is it B??
16 years ago
What must be the minimum height of a plane mirror so that a boy of height 162 cm can view himself from head to toe? A. 40.5 cm B. 81 cm C. 162 cm D. 324 cm It would be B. 81 cm?
16 years ago
A convex mirror forms a virtual, diminished, and upright image for all real objects regardless of the location of the object. A. True B. False Is it true? A convex mirror of focal length 10 cm forms an upright and magnified image of a real object places a...
16 years ago
A concave mirror of focal length 10 cm forms an upright and diminished image of a real object placed at a distance of 5 cm from the mirror. A. True B. False A convex lens is used to obtain an enlarged virtual image. A. True B. False Not too sure on the fi...
16 years ago
A 5.0-cm real object is placed at a distance of 30.0 cm from a concave mirror of focal length 10.0 cm. Find the location of the image. A. 6 cm B. 10 cm C. 15 cm D. 60 cm Is it B. 10 cm? Which of the following objects can set fire to a piece of paper in th...
16 years ago
A 5.0 cm real object is placed at a distance of 5.0 cm from a concave mirror of focal length 10 cm. Find the size of the image. A. 5 cm B. 10 cm C. 17 cm D. 20 cm I think it is B? A(n) _______ lens is used to produce a real image. A. convex B. concave C....
16 years ago
Light passes from air into water at 45.0 degrees to the normal. If the index of refraction of water is 1.33, find the angle of refraction. A. 25.5 degrees B. 32.1 degrees C. 44.0 degrees D. 55.9 degrees I believe it is B? What is the nature of an image fo...
16 years ago
A beam of light passes from air to ethanol, with index of refraction of 1.36. If the angle of incidence ( 1) is 30.0 degrees, then calculate the angle of refraction, after light passes through ethanol and enters into air. A. 15.3 degrees B. 21.6 degrees C...
16 years ago
A negatively charged balloon sticks to a wooden door. However, an uncharged balloon does not stick to a wooden door. What is the nature of the charge on the wooden door? A. Electrically neutral B. Positively charged C. Conductor D. Lacking protons I am th...
16 years ago
When two bodies are charged, the total charge before and after charging remains the same because of: A. quantization of charges B. conservation of charges C. law of induction D. Coulomb's law it is B? When a conducting sphere is charged positively, intial...
16 years ago
A 15.0 resistor and a 20.0 resistor are connected in parallel. A 5.00 resistor is connected across a 1.00 10^2-V battery. What is the current flowing through the 20.0 resistor? A. 1.21 A B. 3.15 A C. 5.00 A D. 6.84 A I don't think it's C....
16 years ago
In a series current, each circuit has the same: A. current B. voltage C. capacitance D. resistance If a resistor is added to a series circuit, the equivalent resistance: A. increases B. decreases C. remains the same D. becomes zero
16 years ago
When a conducting sphere is charged positively, initially the charge is deposited on the left side. However, due to the sphere's conducting nature, the charge spreads uniformly throughout the surface to the sphere. Charge is uniformly distributed because:...
16 years ago
The polarity of an electromagnetic can be determined using the second right-hand rule. A. True B. False Is it false? Current passing through a conductor is increased from 10 A to 15 A. This decreases the strength of the magnetic field produced by the cond...
16 years ago
An electromagnetic wave has a wavelength of 6.2 x 10^14 m. What is the frequency of the wave? A. 2.0 x 10^6 Hz B. 4.8 x 10^-7 Hz C. 1.8 x 10^24 Hz D. 5.3 x 10^-22 Hz I got B..? When the currents in two parallel metal conductors are in the same direction,...
16 years ago
An electromagnetic wave is produced by: A. an accelerating charged particle or changing magnetic fields B. an accelerating uncharged particle and changing magnetic fields C. a stationary charged particle and a magnetic field D. any moving particle and a m...
16 years ago
When does a magnetic field induce maximum EMF in a wire moving with a constant velocity? A. When the wire is moved at an angle of 60 degrees to the direction of the magnetic field B. When the wire is moved at right angles to the magnetic field C, When the...
16 years ago
There are four coils of wire being used as electromagnets. They all have the same size and are made up of the same material but have a different number of loops. Which coil will produce a magnetic field with the maximum strength when the same amount of cu...
16 years ago
A current-carrying wire is oriented at right angles to a uniform magnetic field. If the length of the wire is 0.50 m and it experiences a force of 0.90 N while carrying a current of 4.0 A, what is the strength of the magnetic field? I did the work and got...
16 years ago
A beam of unknown charged particles passes at right angles to the direction of magnetic field of 9.0x10^-2 T. If the speed of the particles is 3.0 x10^4m/s and the force experienced is 8.64x10^-16N, how many electric charges are carried by one particle? m...
16 years ago
This refers to Sir Gawain and the Green Knight Gawain's actions at the castle reveal that the knight's moral code values: a. strength b. courage c. loyalty d. NONE OF THE ABOVE I put B, I am not sure though.... ???
16 years ago
Ils regardent les vetements pour hommes dans ______ de la boutique. a. la caisse b. les soldes c. al vitrine d. au rayon I am thinking that it is c or b??? La Martinique est dans la mer _____ Antilles. a. de b. des c. de l' d. de la is it b?
16 years ago
C'est _____ voie? a. quelle b. quelles c. quel d. quele Is it C? Tu voyages avec ______ compagnie aerienne? a. quelle b. quelles c. quel d. quele Is it B?
16 years ago
Choose the correct noun that matches the stated verb below. Choisir a. la fin b. un choix c. la vue d. un atterrissage Is it b? Voir a. la fin b. un choix c. la vue d. une croyance Is it C?
16 years ago
Je descends _____. a. au kiosque b despuis 45 minutes c. au prochain arrete d. a la boucherie I think it is c or b?
16 years ago
Le train arrive et les voyageurs montent _____. a. sur la voie b. en voiture c. devant la gare d. au kiosque I know it isn't d.... not sure though! Le train arrive Presque toujours _____. a. en retard b. a l'heure c. le matin d. l'horaire is it b....?
16 years ago
Le train part _____. a. da la voie b. du chariot c. la queue I think it is A?
16 years ago
______ l'equipe ja ponaise a tres bien joue a. Tout b. Toute c. Tous d. Toutes I think it is A? On annonce le de'part de _____ vol? Le vol a destination de Paris? a. quel b. quelle c. quels d. quelles is it A?
16 years ago
Rewrite the following sentences in the negative. -Je suis de Paris. Would it be: Je ne suis pas Paris. -Michelle est americaine. Would it be: Michelle n'est pas americaine. Am I wrong??
16 years ago
Complete with the correct form of the partitive. -Benoit va au marche. Il achete _____ fromage. would it be du? -Il achete _____ poires. would it be des?
16 years ago
Find the values of x and y for which: [2y+5] [x-1] [y - 2] = [ 3x ] is true. a. (-1, -1) b. (-2, -4) c. (5, 1) d. (-1, 4) I got B...?
16 years ago
If 0°<= 360°, solve the equation, sec x=-2 a. 150° and 210 ° b. 210° and 330° c. 120° and 240° d. 240° and 300° I believe it is C. am i right?
16 years ago
In triangle ABC, a=7.8, b=4.2, c=3.9. Find B a. 15.1° b. 148.7° c. 78.9° d. 16.2 ° It is D, right?
16 years ago
Write an equation of the tangent function with period (3π)/8, phase shift -π/5, and vertical shift -2. a. y=tan((8x)/3 - (8π)/15) -2 b. y=tan((8x)/3 + (8π)/15) -2 c. y=tan((16x)/3 +(3π)/80) -2 d. y=tan((8x)/3 - (3π)/40) -2 I think it is A... or B?
16 years ago
Find the distance between the lines with equations 3x-y=9 and y=3x-4 a. 5/4 b. (5√10)/2 c. √10/2 d. (13√10)/2 not too sure on this one!
16 years ago
Use a sum or difference identity to find the exact value of sin225° a. (-√2 - √6)/4 b. (√6 - √2)/4 c. (√6 + √2)/4 d. (√2 - √6)/4 is it A?
16 years ago
does anyone know if, orange juice is a pH indicator??
16 years ago
i need to make a p.h indicator in sience but i cant think of any other than.. tea bags, some sort of juice and.. red cabbage anyone got any sujestions?
16 years ago
in tech we are reasearching inventors chefs and designers i chose to research, Gordan Ramsey i have all ready found out most of my info which i need to collect but i am having trouble with, .who is his inspieation. and .why did he become a chef.
16 years ago
Dear americans,I would like to retranscribe me the speech of obama in high school in Norfolk (video is on youtube) please make it for a French desperate person (it is my first year at high school) what methods shall I be able to use to understand English...
16 years ago
1a-b)what are the four types of friction what factors affect the friction force between two surfaces
15 years ago
what factors affect the friction forces between two surfeces 2a what is the law of universal gravitation
15 years ago
what is lubricant and orbital motion
15 years ago
what is orbital motion and lubricant
15 years ago
were public places segregated in 1948
15 years ago
why did the us want to build a canal across panama 2 how did the us gain control of the panama canal zone 3 how did the people of panama feel about us control of the canal zone why 4 what agreement did the us make with panama in 1977 5 what are the countr...
15 years ago
suppose you are pulling a wagon with the handle at an angle. How can you make your task easier?
15 years ago
dr.bob222 i don't get it can u give me the answer
15 years ago
as you push a lawnmower the horizontal force is 300 N. If you push the mower a distance of 500 m, how much work do you do?
15 years ago
a libraian lifts a box of books that weighs 93 N a distance of 1.5 m. How much work does he do?
15 years ago
in the course of a short race,a car does 50,000 J of work in 7 s. What is the power of the car during a race?
15 years ago
a teacher does 140 J of work in 20 s. How much power did he use?
15 years ago
why did the nations of Europe go to war
15 years ago
what was united states policy toward the war when it broke out PLEASE HELLLLP
15 years ago
What symbolism can be found in Frida Kahlo's artwork?
15 years ago
how many grams of copper hydroxide can b prepared from 2.7g of copper (II) nitrate and excess sodium hydroxide?
15 years ago
I have to write a thesis statement on a belief i have that have changed and why
15 years ago
3x³=90
15 years ago
why is Theodor a hero and why is he so important
14 years ago
According to Noam Chomsky, language is primarily acquired through: an innate mental module. our parents correcting us. imitating our parents. trial and error. I chose B. Is this right?
14 years ago
Studies that have overcome methodological problems in examining intelligence scores for African-Americans as compared to people of Anglo- Saxon descent revealed: that the test results were useless because racial prejudice invalidated them. that African-Am...
14 years ago
the area of a rectangle is 60cm.the length is 11cm more than the width. find the width.
14 years ago
what man made object has the greatest acceleration ?
14 years ago
what does restrictive and nonrestrictive mean???????
14 years ago
how do you say goodafternoon in evry laungega
14 years ago
i have got to find the perimeter of a triangle that has one side of 8x-7w another that says 3x+9y and then another that says 3y+5w whats the perimeter of the triangle ??? please help
14 years ago
what is 8x-2y=-6 please help in simple form
14 years ago
Hello! I have to write a dialogue with 3 characters, the subject is "hello doctor!" I probably make a doctor with a patient and the patient's mother, my idea consists of simulating (a lot of )illnesses in order to not to go to school (it's about the littl...
14 years ago

Answers

The following answers were posted by visitors named sophie.

this really helped me thank you
17 years ago
thankyou and i love you
17 years ago
i have homework and we have to name this shape below and note one of it's specal properties;i have traiedlooking on pc but i don't know the name of it;have eney one got an idear.r.s.v.p. Sophie-opel evan
17 years ago
kilder was the firts place found
17 years ago
thanks.. im making my box its kind of retro neon colours, i have all luminous bright colours splattered all around it , at the back i drilled holes in and iv made a type of corset lace look , with the bright orange pink and green lace, inside ive got half...
16 years ago
haha dunno
16 years ago
thanks
16 years ago
ok thank-you!
16 years ago
You're right, A is not a complete sentence.
16 years ago
x^2-10=0 x^2=10 (add 10 to both sides) x= 3.16 (square root of 10)
16 years ago
It has to be one answer though... thanks anyways (:
16 years ago
I would say C, because it's an outing but I'm not sure.
16 years ago
That is true, it is not only kinetic energy
16 years ago
yes, you are correct. B makes sense more than the others.
16 years ago
I found the answer, never mind
16 years ago
28(.30) $8.40 is the discount and you subtract this from $28 so, it will cost the employee $19.60.
16 years ago
For example, 3/4 divided by 4/3 you would flip 4/3 to 3/4 and multiply them, so it would be: 3/4 times 3/4 = 9/36 or 1/4
16 years ago
Oops, I messed up on the math.... haha! I meant, 9/16
16 years ago
they are similar and can be compared
16 years ago
Disonformity is a type of uncomformity so I don't think so
16 years ago
no problem! (:
16 years ago
thanks
16 years ago
a- 176 is the mean not sure on the rest, sorry
16 years ago
Thanks
16 years ago
thanks!
16 years ago
nevermind it was B
16 years ago
yeah, so it is false
16 years ago
Q=mC(Tf-Ti) heat transfer is equal to the mass of an object time the specific heat of the object times the difference between the final and initial temperatures.
16 years ago
it isn't C or D, it's A..
16 years ago
photosynthesis... so A
16 years ago
In the last sentence, you might want to change it to: The permafrost allows only small bushes to grow. I don't know, something like that. It shouldn't start with "because" though. The rest of it is great!
16 years ago
no problem (:
16 years ago
The second one is correct. I am not sure about the first one though.
16 years ago
to have
16 years ago
you would subtract 8-2 which equals 6. this would give you 6/8 which is 3/4
16 years ago
thought so, thanks
16 years ago
okay so it is B. positively charged that's a neat website
16 years ago
3(4^2-4) 3(16-4) 3(12) 36<--answer
16 years ago
I know, I think they left out words or something... I'm just going to put C...
16 years ago
so 1-a 2- b
16 years ago
okay so it's A, A
16 years ago
I know, it's annoying.... I'm just putting A..
16 years ago
thanks
16 years ago
there are four right hand rules, I will re-read it so the second one is b thanks
16 years ago
thought so, thanks
16 years ago
yes, 0.45 T thanks for checking!
16 years ago
APA is most common to use. For help you can go to easybib. com
16 years ago
it should say all of the above for D So it is D then?
16 years ago
this was the only one I missed. Thanks for all help though! It was C. loyalty.
16 years ago
merci beaucoup!
16 years ago
So 1 is A and 2 is A?
16 years ago
yes very true! Merci!
16 years ago
merci!
16 years ago
merci!
16 years ago
merci beaucoup!
16 years ago
oui, merci
16 years ago
thought so, thanks!
16 years ago
thanks
16 years ago
so would 2. be C as well?
16 years ago
I did the theorem and got 16/√10 ?
16 years ago
well you could do a little of both by saying a catchy sentence and then stating more of the facts
16 years ago
it's B?
16 years ago
no those are the options for sure :/
16 years ago
Yes thanks! I got sqrt10/2 also!!
16 years ago
okay thanks
16 years ago
thanks for checking!!
16 years ago
Thanks for checking!
16 years ago
ok thanks!! you have been a great help [x]
16 years ago
this sucks these teachers torture children just cos they have forgoten their days
16 years ago
Ihave just read me it is a disaster,sorry for the errors
16 years ago
thank u
16 years ago
world war one
15 years ago
-3.1
15 years ago
Now I am a little confused...was my first option right?
14 years ago
tnks
14 years ago
Please help Ms.Sue its a six grade level.
14 years ago
what if it says Marco, my older brother, likes to play ________________ tennis. my older brother is underlined would that be nonrestrictive or restrictive
14 years ago
o ok
14 years ago
ok french and russian
14 years ago
im in 6th grade but i have this book that says scott forson its blue
14 years ago
thanks
14 years ago
Hello, sorry I just saw the last message then I would like help in order to correct the dialogue: spelling, vocabulary, grammar... Be intransigent even if it's my second language tell me if something can seem illogical Look at the dialogue: D: doctor M: p...
14 years ago
nobody?! please help me
14 years ago
Are there language errors? please
14 years ago
an canoe is 5.67 in m how long in cent?
14 years ago
why do you have = signs in part a?
14 years ago
l=32 l=2 (e) l=5 (e) l=(2xe)+(5xe)=L e=4 m=8 o=20
14 years ago
exothermic
14 years ago
can someone proofread?
14 years ago
i forgot my spelling words how do i prent my homework out miss.pitkin
13 years ago
inead help on math homework
13 years ago
3.6
12 years ago
Its c
10 years ago
It's a...?
10 years ago
thank you :)
10 years ago
q=39 r =$41
9 years ago
Is it 2?
9 years ago
1 2 4 or 8
9 years ago
11/850 b/c 13/52*12/51*11/50
9 years ago
im confused on how you got 8 for the second problem. may you please explain?
9 years ago