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Important Portable, constant, can be used in small devices for a long period, portable DC power, for use in isolated areas for things like motors, and lead acid is used for storing electricity, also high voltage output, use in cars due to portable nature, lead acid recharged by cars kinetic...

The conditions are as follows... Must be dissimilar(Different) metals or else no reaction will occur. The metals must be immersed in an electrolytic solution and connected by a salt bridge (If metals are placed in solutions of their own ions) Mostly this point refers to a connection through...

If it's a simple one it might be a formula that you regularly use, just numbers changed... But more than likely in the HSC, It'll be a hard one that takes a lot of thinking... Like a miss a time frame or a pay monthly, interest yearly. These are usually around question 10.. Get some past papers...

As for the other questions, Were there diagrams to go with? I'm a bit lost in the second one =)

3. The Alternator is a sine curve, Ie. the voltage reached in the positive direction is the same magnitude as the negative direction, oscillating between the two extremes. The DC Dynamo is a little different, the voltage is always positve, it "Jumps" up to the max voltage and falls back down...

The other questions just gave me an idea of how to do most of them, but as for the last one I wouldn't have thought of that. I usually remember and understand the procedures well, but lately I'm struggling to heh. I've just been dividing separately; Dividing by x^2-x-12 is a bit annoying for me...

Thank you for all your help Evergreen. I actually think I know how to do it now. Thanks

I'm really struggling with polynomial factorisation. It's out of the factor theorem section? Is there any other way to do them other than going through every factor of the constant? I should hope so. Here are a few that I can't for the life of me remember how to do. Some help would be much...

Would anyone happen to know of any links concerning Preliminary courses, Chemistry, Physics, Mathematics + Ext, Engineering, Ancient History and English Advanced. Preliminary NSW course? I was looking for some information/summaries of the parts I need to know. Thanks.

I'm really struggling with polynomial factorisation. It's out of the factor theorem section? Is there any other way to do them other than going through every factor of the constant? I should hope so. Here are a few that I can't for the life of me remember how to do. Some help would be much...

Thank you very much. I think I know how to do it now. I'll have a good at a few questions and see how I go. Thank you.

*** When f(x)=ax^2 - 3x + 1 and g(x) = x^3 - 3x^2 + 2 are divided by x + 1 the leave the same remainder. Find the value of a. *** Please help me. I wasn't there when my teacher explained how to do these. I'm lost. I have the test in 4 days and I don't know how to do ones like this. Thanks. I...