Earth's centripetal acceleration around the Sun

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SUMMARY

The centripetal acceleration of Earth around the Sun is calculated using the formula \( a_c = \frac{v^2}{r} \), where \( v \) is the orbital velocity and \( r \) is the radius of the orbit. Given that Earth has a mass of \( 6 \times 10^{24} \) kg and orbits at a distance of \( 1.5 \times 10^{11} \) m in \( 3.15 \times 10^{7} \) seconds, the centripetal acceleration can be determined. The orbital velocity can be calculated as \( v = \frac{2\pi r}{T} \), leading to a definitive calculation of Earth's centripetal acceleration.

PREREQUISITES
  • Understanding of centripetal acceleration formulae
  • Knowledge of orbital mechanics
  • Familiarity with basic physics equations
  • Ability to perform unit conversions and calculations
NEXT STEPS
  • Calculate Earth's orbital velocity using \( v = \frac{2\pi r}{T} \)
  • Explore the implications of centripetal acceleration in planetary motion
  • Study gravitational forces affecting orbital paths
  • Learn about Kepler's laws of planetary motion
USEFUL FOR

Students studying physics, educators teaching orbital mechanics, and anyone interested in understanding the dynamics of celestial bodies.

hrice
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Homework Statement


The Earth has a mass of 6 x 10 24kg and orbits the sun in 3.15 x 10 7 seconds at a constant circular distance of 1.5 x 10 11 m. What is the Earth's centripetal acceleration around the Sun?


Homework Equations





The Attempt at a Solution

 
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hrice said:

Homework Statement


The Earth has a mass of 6 x 10 24kg and orbits the sun in 3.15 x 10 7 seconds at a constant circular distance of 1.5 x 10 11 m. What is the Earth's centripetal acceleration around the Sun?


Homework Equations





The Attempt at a Solution


What are the two most common formulae/expressions for centripetal acceleration? One of them is more appropriate for the date you are working with.
 

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