Centripetal Force of satellites

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SUMMARY

The discussion focuses on calculating the radius of a satellite's orbit around Saturn, given its orbital velocity of 19481 m/s and Saturn's mass of 5.69x10^26 kg. The gravitational force equation, Fg = (G * m1 * m2) / (r^2), is equated to the centripetal force equation, Fc = (m*v^2)/(r), to derive the radius. The final calculation yields a radius of approximately 100,003,593.9 meters, confirming that all values are in SI units.

PREREQUISITES
  • Understanding of gravitational force and centripetal force equations
  • Familiarity with the universal gravitational constant (G = 6.67x10^-11 N(m/kg)^2)
  • Basic knowledge of circular motion and orbital mechanics
  • Proficiency in algebra for solving equations
NEXT STEPS
  • Study the implications of gravitational forces in multi-body systems
  • Learn about the effects of orbital velocity on satellite stability
  • Explore the concept of escape velocity and its relation to satellite orbits
  • Investigate the role of mass distribution in celestial mechanics
USEFUL FOR

Astronomy students, physics enthusiasts, and anyone interested in satellite dynamics and orbital mechanics will benefit from this discussion.

Speedking96
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Homework Statement



One of Saturn's satellites travels in a circular orbit at a velocity of 19481 m/s. Saturn's mass is 5.69x10^26 kg. What is the radius of the satellites orbit?

Homework Equations



Fg = (G * m1 * m2) / (r^2)

Fc = (m*v^2)/(r)

The Attempt at a Solution



The centripetal force is equal to the force of gravity in this case.

Therefore:

(G * m1 * m2) / (r^2) = (m*v^2)/(r)

(G * m1) = (v^2 * r)

(6.67x10^-11 * 5.69x10^26) = ((19481)^2 * r)

r = 100 003 593.9 meters ?

Thanks for your help.
 
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Everything here is in SI units,if your calculation is right,yes it should be in meters.
 

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