How Do You Calculate Lead Time for a Moving Target?

[xxchiefxx]

Moving Target Lead Time ??

I am new to the forum...so I thought I would start with a simple question..

How do you figure up the lead time on a moving target

Example

1.Target is moving from right to left @ 3.0 fps
2.Target is @ 60 ft out
3. Projectile is shot @ target @ 100 fps..

How far would I need to lead target to hit center

What would the formula be for this?

 

[bigj480]

More info would help. Is the shooter going to adjust the angle of the shot to lead the target or is the shooter going to fire at a given angle and just adjust the timing of the shot so that it hits the target? If it's a fixed angle and only the timing will be adjusted, what is that angle in relation to the path that the target will take? Is the target moving perpendicular tho the shooters orientation? Basically, be more specific and describe the scenario better.