Re: This and That

[Orion Furmanski <thelaw@expert.cc.purdue.edu>]

HAH! Serendipity strikes! Physics 220 comes in handy

"G" (Universal gravitational constant) =6.67EE-11 Newtons*meters^2/kg^2

GRavitation between two objects: "G" * Mass(obj1) * Mass(obj2)
                             -------------------------------------- 
                               r^2 (r=dist between mass centers) 

On Tue, 7 Jul 1998, Patrick C. Collins wrote:

> This and that on Jaern:
> Yes, I am unemployed still and quite bored.
> Play with these numbers as you wish.
> All Jaern numbers come from the chapter
> on the planets.
> All Geleia numbers come from my recreation
> of the Dana Shea map of Geleia, and the
> verbal fact that "it's about 800 miles
> north to south".  I calculated the
> area of Geleia using the campaign
> cartographer's area function.
> 
> Rougtero to Devon distance is based
> on the fact that "Geleia is around the
> world from Lojem" and Rougtero is
> pretty much near the middle of old Lojem.
> 
> Now, if I can just find a physics book
> with the Universal Gravitational Constant
> calculations for large planets based on
> diameter and rotational velocity....
> *grin*
> 
> -Pat
> 
> 
> Conversion Factors:
> 
> 1 km (kilometer) = .6214 miles
> 1 met = 2000 feet = .3788 miles
> 1 met = .6096 km
> 1 mile = 5280 feet
> mil. = 1 million
> mi. = mile
> 
>                     JAERN            EARTH
> Diameter (km)       7010             12756
> Circumf. (km)      22023             40074
> Surf. Area (km2)   154  mil.         511 mil.
> Land Area  (km2)    7.7 mil.         148 mil.
> Dist from Sun(km)  64.0 mil.         149.6 mil.
> Solar Year         300.3 day         365.2524 day
> Force of
>  Gravity (ft/s2)   27.0              32.2
> 
> Geleia Area (km2)  676,000
>  (based on my
>   Cam. Cart. map)
> 
> Largest land area
> on Jaern (by book)
>  (km2)                 400
> 
> Great Britain
>  (Eng, N. Ire,
>   Wales, Scot.)                      242,000
> 
> Rhode Island (km2)                     2,707
> 
> Los Angeles to
>  New York (km)                         4,538
> 
> Rougtero to Devon (km)                10,500
> 
> Maraujo Speed 210 km/day
>   (assume 23 hrs/day travel)
> 
> Maraujo Roug-Devon time:              50 days
> 
> Material Densities:
> (grams per cubic centimeter)      (avg. lbs/ft3)
> Water       1.000 at 4 C              62.43
> Copper           8.92                556
> Silver          10.5                 656
> Gold            19.3                1205
> Steel            7.8                 489
> Iron,
>  gray cast       7.08                442
> Platinum,
>  cast-hammered  21.5                1330
> Red Oak                               42
> 
> 1 gram per cubic centimeter =
>  .0369 lbs per cubic inch
> 
> 
> --
> ============================================
> Patrick C. Collins      Purdue University
> Food Process Engineer   Class of 1997
> Biochemist              drunsen@ecicnet.org
> 
> 
>