Calculate Satellite Velocity in Stable Orbit

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SUMMARY

The discussion focuses on calculating the velocity of a satellite in a stable circular orbit around Earth at a height of 5200 km. The relevant formula for centripetal acceleration is confirmed as Ac = (V^2)/r, where V is the orbital velocity and r is the radius of the orbit. Participants clarify that the centripetal force required for maintaining the orbit is provided by gravitational force. This foundational understanding is essential for solving orbital mechanics problems.

PREREQUISITES
  • Understanding of centripetal acceleration and its formula
  • Knowledge of gravitational force and its role in orbital mechanics
  • Familiarity with basic physics concepts related to motion
  • Ability to perform calculations involving radius and height in orbital contexts
NEXT STEPS
  • Research the gravitational force formula and its application in orbital mechanics
  • Learn how to derive orbital velocity using the formula V = √(GM/r)
  • Explore the effects of altitude on satellite velocity and orbital stability
  • Study examples of satellite motion and calculations in different orbital heights
USEFUL FOR

Students of physics, aerospace engineers, and anyone interested in understanding satellite dynamics and orbital mechanics.

smaxemow
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Q.Calculate the velocity of a satellite moving in a stable circular orbit around the Earth at a height of 5200km.

A. I wasn't sure which formula to use on this problem is it Ac=(V^2)/r
 
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Well I don't know what other information you have

But what provides the centripetal force needed to keep the satellite in the orbit?
 
Welcome to PF!

Hi smaxemow ! Welcome to PF! :smile:
smaxemow said:
I wasn't sure which formula to use on this problem is it Ac=(V^2)/r

Simple answer: yes. :smile:

That gives you the acceleration.

And now you need to know the force … :smile:
 

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