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Hey, The sheet contains random working and stuff. It also has the answers circled except for one question, sorry. http://www.megaupload.com/?d=B19YFVF2

Hey, What did you guys get for the motors and generators question that asked something along the lines of 'why is the net force on the coil zero?'..or something like that.

Hey, Lets say I went to a relatively lowly ranked school and did quite well in my internals (band 6s) while everyone else did relatively bad (band 3, 4, 5), how would that scale my HSC mark? Lets say that they got B3, 4 and 5s while I got high B5s and lower B6s. Is there that much of a...

Hey, Did anyone get '9' for (ii)?

Hey! This was from question 9 (b) of the 2005 CSSA Trial. 9 (b) On 1 July 2005, Nadia invested $12000 in a bank account that paid interest at a rate of 6% p.a., compounded annually. (i) How much would be in the account after the payment of interest on 1 July 2015 if no additional deposits...

Hi guys, I almost got this question right from the 2009 NSGHS Trials. 9 (b): A continuous function is defined by the following features. y'' > 0 for x < -1 and 1 < x < 3 . y' = 0 only when x = -3, 1, and 5 . y = 0 only when x = 1. Sketch a possible graph of the function. I took y'' > 0...

Hey, Could you please give me some tips on this essay question? "To what extent did the South Vietnamese government depend on the United States for its survival in the period from 1954 to 1965?" I keep thinking that the US is aiding the South due to their own objectives such as containment...

Hey, Is there a way to look at timetables for other courses? I want to see if ill have any classes with friends. Thanks.

Hey, I need help with this multiple choice question. What is the equilibrium level of income if C = 100 + 0.8Y and I = 40? (A) 100 (B) 140 (C) 500 (D) 700 I know that equilibrium occurs when Y=AD, C+S+T=C+I+G+(X-M) which turns into S+T+M=I+G+X but I have no idea how to sub them into the...

Hey, I missed my school trials (economics) last term due to a broken wrist playing soccer. I have obvious evidence such as my hospital statement and cast. I emailed all the docs to my teacher and everything is good except that he said I would attend a different exam. How can I be ranked with my...

Hey, there is an answer to the following question that I dont understand. Question: During an experiment, a beam of ultraviolet light, of wavelength 200nm, is incident on a target metal sheet. The UV light release photoelectrons from the metal. The maximum kinetic energy of the photoelectrons...

Hey, Could you guys help me to 'identify Einstein's contribution to quantum theory and its relation to black body radiation'? I know Einstein's contribution (sort of) but im not too clear as to how it relates to black body radiation. MY GUESS: It relates to black body radiation as the...

Hey, do you guys reckon I could get 85+? Maths 2U - Rank: 9/88 Band 6 English Std - Rank: 2/35 B6 Physics - Rank 5/41 B6 Economics - Rank 4/36 B6 Modern His - Rank 3/25 B6 Also, could my friend get 80+ (same subs as me)? Maths 2U - Rank: 44/88 B3 English Std - Rank: 3/35 B6 Physics - Rank...

Hey, I've recently been having trouble with connecting the dots between power, current, voltage, coulombs and energy. Been going through the textbooks but I need a deeper look into these units. So far I understand that an Amp is the measure of coulombs and that voltage is the force that...

Hey, can you guys help with this question. A spaceship is moving from Uranus (left) to Neptune (right) at high speed. Draw simple sketches describing how the following are visibly distorted:- a)Neptune relative to the spaceship. b)Uranus relative to the spaceship. c)Neptune relative to Uranus...

Could someone help with this question from the 2006 HSC, question 16. (I reworded this as it needed a diagram to explain the question) A projectile leaves the ground at a horizontal velocity of 45m/s and a vertical velocity of 40m/s. a)State the horizontal component of the projectile’s...

Could someone please help with this 2007 Physics HSC multiple choice question. 3. The gravitational potential energy of a given mass is known at both Earth’s surface and at a fixed distance above Earth. What CANNOT be determined by comparing these two values of gravitational potential energy...

How does a force gauge work? I know Force equals mass times acceleration. When I try to exert a steady force on the gauge (no acceleration), it still gives me a reading of however many kgs of force I exerted. How is this?

Need help with this question. A sniper is standing with his gun raised 30 degrees above the horizontal with the end of the barrel 2.0 metres above the ground. The muzzle velocity of the rifle is 800 m/s. Calculate the range of the bullet. I think I got the answer but im not really sure since I...

My friend emailed me this question, wanting me to do it for him. I've figured out how to do it except I'm not sure how to email it back in an understandable way.. :mad1: It's a multiple choice question from his prelim half yearlies. A golfer swings a 0.2 kg golf club towards a gold ball of mass...