# Recent content by vaio23

1. ### Initial Velocity - Projectile Motion

Thank you for your response it was a big help. If I wanted to become more precise and incorporate air resistance into my formula how would I do this. It was been a long time since I've done something like this. Known Values: Time = 3.8 Aprox Height = 300 Ft Initial velocity = 140 Ft/s Launch...
2. ### Initial Velocity - Projectile Motion

The 600 ft (182.88m) is the height in which the fireworks breaks and we do know from industry averages that a shell of this size takes 5.0 seconds to reach this height. It is likely that the maximum height is greater than 600 ft which would mean the shell still has a final velocity at the time...
3. ### Initial Velocity - Projectile Motion

Hello, My end goal is to calculate the vertical and horizontal displacement of an object that explodes in the air e.g. a firework. However, I am having difficulty deriving the initial velocity of the object. I know the approximate time is 5.0 seconds from the ground to explosion and the...