Recent content by furqankaimkha

I thank all of you for your precious guidance. This topic is now very much clear to me now. Love you all.

Hi I have two (two dimensional) 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...