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part i was easy finding the descriminant how do you do part ii? i ad some i dea but couldnt actually put down an answer. i mey need to know this for extension 1 so any help would be appreciated.

I have half yearly exams coming up and my engineering studies techer has gone away for holidays! I need to know how to do a type of question on friction and the inclined plane that is in R.K. MULLINS Engineering Mechanics: Assignment 8 (chapter 11) Page163 Question 12: 100 kg box on a 2in6...

Ok I am new to all this but i have been on this site for ages and i think it is an excellent resource, so I came here looking for adivce I am a year 11 student ( I have started the HSC) and I went ok in yr 11 (i managed to get DUX, but thats not the point). I love science, i do chem and...