well my professor never told me to just assume that it is air tight but he also never brought that up when discussing why there was a difference in the measured and expected velocities. i also have a cloth that goes over the baseball to make it fit snug in the barrel. I am not looking for an...
ok I am doing a project where i shoot a baseball from an air cannon. i am trying to solve for the muzzle velocity of what i should get at certain pressures. also i used the cross sectional area of the baseball, is that what i should use? when i solved for the force i used the force acting on the...