After solving the quadratic air drag numerically using initial conditions if i want to find the proper angle to hit a target at a specific horizontal distance what should i do ?
Hi, I'm doing this for a Numerical Analysis class. I'm trying to describe the motion of other objects like bullets. I've already found values for C_d, however, I don't exactly understand what the cross sectional area would be. Is it what I would see if I'm been shooted (A circle) or what I'd see if I see the shot as an external observer. I hope u can help me and thank u in advance :).
Hi, how would you approach using non-uniform gravity & density, i.e. a significant decrease on gravity as the projectile leaves/reaches high altitudes in the atmosphere and decrease in drag with density
God bless you sir. This might be the best thing that happened to me. Actually insanely helpful. God bless you and your family.
That is awesome. I'm glad you found it useful.
Could you make video about the analytical solution for the position and velocity?
After solving the quadratic air drag numerically using initial conditions if i want to find the proper angle to hit a target at a specific horizontal distance what should i do ?
you would need to make a range function - very similar to this ruclips.net/video/N6ejjp1xi7Q/видео.html
Hi, I'm doing this for a Numerical Analysis class. I'm trying to describe the motion of other objects like bullets. I've already found values for C_d, however, I don't exactly understand what the cross sectional area would be. Is it what I would see if I'm been shooted (A circle) or what I'd see if I see the shot as an external observer. I hope u can help me and thank u in advance :).
the area would be the area of a circle with the same radius as the bullet - this assume the bullet is moving forward and not tumbling.
@@DotPhysics Thank u so much!
Thanks!
No problem!
Hi, thanks a lot. However, I was wondering what code to input so that I could get the ball's position when y=0
I understood that there is no such code. For it to be possible, the dt used would need to be a multiple of the time needed for the ball to be at y=0.
Dude, what’s that software you use?
For the graphics and equations, I use Keynote (from Apple) and the numerical calculations are with WebVpython - webvpython.org
Thanks a lot dude！
Hi, how would you approach using non-uniform gravity & density, i.e. a significant decrease on gravity as the projectile leaves/reaches high altitudes in the atmosphere and decrease in drag with density
Make rho and g a function of the vertical component of the position vector, instead of making them constant.