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Fields and their consequences (A-level only)

Fields and their consequences (A-level only)

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Question 95

A spherical planet of radius R R\,R has a uniform density ρ\rhoρ. A satellite orbits the planet in a circular path of radius approximately equal to R R\,R with an orbital speed vvv.

What is the mean density ρ \rho\,ρ of the planet?

A

3v24πGR2\frac{3v^2}{4\pi G R^2}4πGR23v2​

B

3v4πGR\frac{3v}{4\pi G R}4πGR3v​

C

4πGR23v2\frac{4\pi G R^2}{3v^2}3v24πGR2​

D

3v2R24πG\frac{3v^2 R^2}{4\pi G}4πG3v2R2​

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Fields and their consequences (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Fields and their consequences (A-level only)

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