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I can't do the below questions! :( please enlighten me: Question 1: a) S is the focus (0, a) P (2ap, ap^2) Q (2aq, aq ^ 2) I've proven PS+SQ = a(p^2 + q^2 + 2) as asked. The next questions reads: "Hence if PQ is a focal chord, show that the length of PQ = a(p +1/p)^2". I know i...

I have some questions regarding the D.C. motor: - How could you reverse the direction of the rotation of the motor? - What's the main difference (advantage/disadvantage) of a D.C motor? - Name examples of where D.C. motors are used Thanks heaps ;)

Thanks for the DETAILED post :p

Anyone who needs help with QBasic just ask here, I have a question already: In QBasic: - How do i open a txt file for text editing? - How do I save a text into a .txt file? Thanks a advance :)

Yet another question regarding slingshot effect: - In the slingshot effect, where does the extra energy come from?

Thanks for helping everyone. Now the next novel with popularity on the same level as Harry Potter will be written by me!! :p in like 20 years... ;)

A question about licensing: If I have made a program, and a company wants to buy it from me so that they can resell the program for profit... wats the type of license they would need to obtain from me? Thanks.

Quick question: Wats the difference between "Orbital Radius" and "Altitude"? Thanks a lot.

Any techniques u use during listening exams? I also do bad in them... plz share ur hints!

Can someone inform me of how to write in REPORT form? Plz tell me things like - is using "I" "Me" (1st person) allowed? thanks.

Thanks for the help :cool: i have yet another question... A satellite of mass 1235kg is put into circular orbit, it circles the Earth exactly 9 times each day. Calculate th radius of the planet. First, convert the period to seconds right? But then what :( ? I have the mass and...

Glad to hear u like my idea :) my teachers says he'll accept a game so it should be ok. The thing is - wat should i write for "possibe alternatives"? Plz provide me some ideas.

My Idea Please tell me if this idea (for the major project) is valid: An organizaion is developing a new operating system. I've been requested to design and develope a mini-game which will become part of the client's new operating system (like Minesweeper for Windows)...

Just two quick questions on physics: 1. According to Newton's Law of Universal Gravitation, a person standing next to a building should be attracted to it - why isn't this so? 2. An electron orbitsabout a nucleus in the Rutherford/Bohr model of the atom... what supplies the centripetal...

I'm a beginner at programming and just finished learnin VB in order to complete my major project. This topic is for those who needs assistance in VB, here they can post their questions an obtain advice from the good programmers out there. And I have a question now - how do you declare...

I see... so which one do u think is better Loz#1? Just interesting to know :) Original... yes that's true. Do u people think an 'unrealistic" novel has the potiential to become extremely popular? Like, a book about other planets (just an example). True. And I think...

Harry Potter seems to be extremely popular, to an extent that people compare it with Shakespeare's work. I wonder, what makes you people determine that a novel is good? This is what I think: - Storyline that makes you can't stop reading. - Novels that draws upon the imagination. -...

Wat sort of marks r u guys getting in this subject? My average is about 88%, is that considered to be ok?

Marks Wat sort of marks r u guys getting in this subject? My average is about 77%, is that considered to be ok?

Wat sort of marks r u guys getting in this subject? My average is about 85%, is that considered to be ok?