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Fields and their consequences (A-level only)

Fields and their consequences (A-level only)

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Question 151

A deep-space probe measures the gravitational potential at the surface of a homogeneous, spherical exoplanet, Astraea-X, to be −U-U−U.

A second homogeneous, spherical exoplanet, Astraea-Y, is discovered with 0.8 times the density and 2.5 times the radius of Astraea-X.

What is the gravitational potential at the surface of Astraea-Y?

A

−2U-2U−2U

B

−4U-4U−4U

C

−5U-5U−5U

D

−10U-10U−10U

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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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