Hi
I have two (two dimentional) linear equations (in the plane). and i am required to find out the angle between them. I have found the solution somewhere.
the solution uses two vectors orthogal to the two lines.
The problem now i have is: How to determine those orthogonal vectors?
e.g: two...
i want to build a helicopter at my home. i only have a wish, whaich is referred to as idea in physics. can some one tell me the guide points about it. the helicopter should be able to hold a single person or about 70 kg. i am in Pakistan, Karachi. i have no idea where to get all the equipment...