| A projectile shot at some angle above horizontal
(q = 0) and vertical (q
= 90) has some vertical, or Y velocity component. This is
given by Vy = Vsinq This number is often
seen as Voy to remind us that it is an original velocity..
The equation you'd use for the Y position once you have figured out Vy is Y=Yo + (Voy)t -at2/2 |
"V" is called the muzzle velocity of the projectile. This would be the "real" velocity that a radar gun would read. |
![]() |
The projectile also has an X component, given by Vx = Vcosq It keeps this velocity throughout its trip. Then to find X position (horizontal distance) you just use X=(Vx)t |
Remember we are neglecting air resistance here.