Wednesday
December 11, 2013

# Posts by amir

Total # Posts: 96

Algebra
x^2+y^2=86 and xy=(-16), Find the value of (x-y)^2 Please help i am a bit tense today so i can't figure it out.

Math
thanks a lot. I really apreciate your help.

Math

Chemistry
Sulfur Trioxide can be dissolved to form sulphuric acid. But it is avoided since the reaction is violent. Explain why?

Physics
What is the difference between magnetic field of a bar magnet anf the magnetic field around a current-carrying coil? Please answer with a good explanation.

Math
5/6

math
The answer is A)11. In my country we do this in grade 7. You just need to use unitary method.

Physics
If you cut a magnet in half does each half become a magnet. Give a clear explanation to your answer.

Physics
My question is how does metal corrosion affect a reed switch? This question is from my textbook. We are following cambridge igcse science.

Math
ok thanks

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