Surface area of a Planet based on gravatational acceleration and mass

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SUMMARY

The discussion centers on calculating the surface area of a spherical planet in the game Realm of the Mad God, which has a mass of 2.73 x 10^24 kg and a gravitational acceleration of 11.2 m/s². The formula for gravitational acceleration, g = GM/(r²), and the surface area formula, A = 4πr², are essential for these calculations. The planet supports approximately 840,000 minions per square kilometer, and players collectively eliminate 1,500 minions per second. The extinction timeline for the minions, assuming no reproduction, can be derived from these parameters.

PREREQUISITES
  • Understanding of gravitational physics, specifically the formula g = GM/(r²)
  • Knowledge of surface area calculations for spheres using A = 4πr²
  • Familiarity with basic population dynamics and extinction rates
  • Mathematical skills for unit conversions and time calculations
NEXT STEPS
  • Calculate the radius of the planet using the gravitational acceleration and mass
  • Determine the total surface area of the planet using the surface area formula
  • Estimate the total population of minions based on density and surface area
  • Calculate the time until extinction of the minions based on the elimination rate
USEFUL FOR

This discussion is beneficial for game developers, mathematicians, and physics enthusiasts interested in applying theoretical concepts to gaming environments, as well as players of Realm of the Mad God who seek to understand the game's mechanics better.

renpei
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Realm of the Mad God actually takes place on a spherical planet where Oryx's minions thrive. This planet has a mass of 2.73 x 10^24 kg and a gravitational acceleration of 11.2 m/s^2 at its surface. Roughly 840,000 minions live per square kilometer. Together, the players of the realm kill 1500 minions per second

If all of the minions cease reproduction, how long would it take for Oryx's minions to go extinct (rounded to the nearest number of days)?
 
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renpei said:
Realm of the Mad God actually takes place on a spherical planet where Oryx's minions thrive. This planet has a mass of 2.73 x 10^24 kg and a gravitational acceleration of 11.2 m/s^2 at its surface. Roughly 840,000 minions live per square kilometer. Together, the players of the realm kill 1500 minions per second

If all of the minions cease reproduction, how long would it take for Oryx's minions to go extinct (rounded to the nearest number of days)?

g = GM/(r2), is a good place to start, followed by A = 4πr2
 

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