Recent content by Mirzet99

In barrel, I put potato. In this lower,biggest part,I put gasoline and with igniter, I burn it. Explosion happens and that gas wants to spread. But it is closed from all sides,expect this one where is potato. That's the way how it works.

I don't know anything else. My profesore wants me to do that but he doesn't want to tell me how. I think he doesn't know also..

Homework Statement I have to calculate the speed with which a spud gun fires a bullet. The length of barrel is 1 meter. Homework Equations v=s/t , where v=velocity; s=distance; t=time The Attempt at a Solution NOTE: I will easily calculate distance. I have spud gun but I don't know the way...