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Q) A proton of mass 1.67x10^-27 kg travelling with a speed of 1.20x10^7m/s collides with a stationary deuteron. After the collision, the proton rebounds in the direction that it came from, with a speed of 1.00x10^7m/s. The dueteron acquired a speed of 1.10x10^7 m/s. a) What is the mass of the...

Hey is anyone else is doing engineering studies? I just had my midcourse-exam on Landscape Products today...So hard.

Q) Explain why like charges repel, and unlike charges atrract. With the aid of a diagram....

How do i approach this question? The points (0,2), (2,3), (4,0) and (2,-1) are the verticies of a quadrilateral. Find the tangent of the acute angle between its diagonals.

What are you planning to become... For myself I'd Like to do a chemical engineering degree, and/or a Forensic Science/law degree. I like the idea of being one of those CSI anylyst, but i like maths, so mabey chemical engineer, not sure though. Which one has the higher pay? lol What are...

I dont know how i should aproch these questions below: 5) b.Compare the similarities and differences between different elements in a group in the periodic table. c.Compare the similarities and differences between different elements in a period in the periodic table. d. Describe where...

Relate some major features of the universe (eg.galaxies, superclusters of galaxies, planitary systems, backgroud microwave level. ect.). Where could i find out this information?] Thanks in Advance

I was wondering if anyone else in year 10 has got year 11 assumed knowledge assignments for their subjects. Anyone in starting year12 now can post as well. It's just i haven't even started year 11 yet and i'm all ready boged down with assignments for Physics, chemistry, biology, maths 2-unit...

I am just wondering wether or not to study extension 1 maths next year (2006). I'm faily good at maths and did reasonably weel in the school certificate. I have got the excel preliminary mathematics book and am finding all the work easy, but i want some opinions on wether ext1 maths is woth the...