Questions Asked on
August 20, 2005

Electricity
when an electron is displaced in a semiconductor, the hole that's left behind is? A)attracted to the negative terminal of the voltage source. B)incapable of carrying a charge. C)attracted to the anode of the voltage source. D)considered an impurity in the
asked by angela 
Electricity
when an electric current flows through a long conductor, each free electron moves? A)from one end of the conductor to the other end. B)with a speed of 300,000,000 m/s. C)back and forth between the ends of the conductor. D)through a relatively short
asked by angela 
Electricity
if an electrically uncharged body is contacted by an electrically charged body,the uncharged body will? A)develop the opposite charge as the charged body. B)remain na neutrally charged body. C)develop the same charge as the charged body. D)neutralize the
asked by angela 
Forgot my book, need science help!!
Please help me I have a whole section to do over the weekend and I forgot my book! Please help!! You'll need to post a question in order for a science teacher to know what kind of help you need. Biology? Chemistry? What? And what is/are the question(s)?
asked by Linz 
brain teaser help
The new science teacher claims he can place a beaker in the middle of the science lab and crawl into it. How? Does anyone get this or hav an idea? haha I think it was a metaphor or some joke or something :P, just to get you insterested. Because you did say
asked by Sherry 
algebra help
(t^33t^2+5t6)divided by (t2) t^2 t2! t^33t^2+5t6 t^32t^2 then t t2 t^2 +5t 6 t^2 10t then 15 t2 15t 6 15t 30 then remainder 24 check my work
asked by doc.mims 
algbra help
(2u^313u^28u+7) divided by (u7) 2u^2 u7 !2u^313u^28u+7 2u^37u^2 then 6u u7 6u^2 8u +7 6u^2 +42u then 50 u7 50u +7 50u + 350 then a remainder of 343 rfevgftvgtg i don't get algebra The sum of m and n, divided by the difference of m and n a
asked by doc.mims 
new help
(2u^313u^28u+7) divided by (u7) i made a mistake i only need to know the quotient
asked by doc.mims 
more new help
(t^33t^2+5t6)divided by (t2)i made a mistake. i only need to know the quotient
asked by doc.mims 
Electricity
The best answer is c, but a is also true if the wavelength of the light is chosen correctly. The intensity of the light does not determine the emission of the electrons, the wavelength (energy of light photons) is what determines. c
asked by bobpursley 
Electricity
suppose that you're facing a straight current carrying conductor, and the current is following toward you.the lines of magnetic force at any point in the magnetic field will act in? A)the same direction as the current. B)a clockwise direction. C)the
asked by angela 
algebra help 2
(t^33t^2+5t6)divided by (t2)i made a mistake. i only need to know the quotient did you read your last question's answer? use long division. again. t^2t+7 Re. 8/(t+2)
asked by doc.mims 
algebra help 2
(2u^313u^28u+7) divided by (u7) i made a mistake i only need to know the quotient Do it like long division. 2 u^2 +u 1 __________________ (u7) 2 u^3  13 u^2  8u + 7 2 u^3  14 u^2 ___________ u^2 8u u^2 7u _________ u + 7 The answer is 2u^2 + u
asked by doc.mims 
when does the school year start?
When do most K12 schools begin session this year? Most of the public schools in the Houston, TX, area have already started. In Southern California, most will start around Sept 1st or right after Labor Day. Western PA. I start wendsday Thank you. Well, in
asked by Jiskha Webmaster 
algebra 1 help
fin the complement and the supplemnt of the angel measure 1) 130 complement40 suplement50 or vice versa if anyone can help me with some algebra work it would be greatly appreciated i am im algebra 1 and still on the second quarter and have until november
asked by cristina 
US HISTORY
Bartolomeu Dias first rounded the Cape of Good Hope in 1488. Ten years later, Vasco da Gama also sailed around the Cape and continued to eastern Africa and India, claiming it for Portugal. Barthelomew Diaz
asked by drwls