2010-05-11, 12:07 AM
I'm not sure what you're asking....
The rate at which a bullet moves in the direction perpendicular to the ground would be dependent on how much the bullet weighs, its shape, spinning rate, air conditions, and a bunch of stuff. If you want to be exact, anyway. Just imagine you're dropping a bullet from your fingers if you want an approximation.
9.8 m/ss = a, 4.9t^2 = displacement. If the gun's 1.5m above the ground, it should hit the ground in sqrt(1.5/4.9) seconds?
The rate at which a bullet moves in the direction perpendicular to the ground would be dependent on how much the bullet weighs, its shape, spinning rate, air conditions, and a bunch of stuff. If you want to be exact, anyway. Just imagine you're dropping a bullet from your fingers if you want an approximation.
9.8 m/ss = a, 4.9t^2 = displacement. If the gun's 1.5m above the ground, it should hit the ground in sqrt(1.5/4.9) seconds?