1. Re: bullet code (was ICONS - dead horse)
- Posted by George Walters <gwalters at SC.RR.COM>
Feb 07, 2000
-
Last edited Feb 08, 2000
you forgot 'G', it's 32ft/sec/sec
-----Original Message-----
From: David Roach <roachd_76 at YAHOO.COM>
To: EUPHORIA at LISTSERV.MUOHIO.EDU <EUPHORIA at LISTSERV.MUOHIO.EDU>
Date: Monday, February 07, 2000 8:23 PM
Subject: Re: bullet code (was ICONS - dead horse)
>Let's take your equation y = vy * t - .5 * t * t and let's add some
>numbers.
>velocity = 1000f/s
>time = 1 second
>
>y = 1000f/s * 1s - .5 * 1s^2
>y = 1000f - .5s
>y = 999.5 f
>
>I just can't believe that anything will fall 999.5 feet in one second.
>Plus velocity and gravity are independent of each other.
>Could someone please clue us in to what we are talking about.
>
>roachd_76
>George Walters <gwalters at SC.RR.COM> wrote:
>
>>Here are the correct equations:
>>
>>X = X0 + VX * T
>>
>>Y=Y0 +VY * T - .5G * T * T
>>
>>VX = V* COS(ANGLE)
>>
>>VY = V * SIN( ANGLE)
>>
>>V = initial velocity at some angle above the ground
>>X0 AND Y0 are initial positions and could be zero
>>
>>..george
>>
