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Fields and their consequences (A-level only)

Fields and their consequences (A-level only)

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Question 3

Two spacecraft, X X\,X and YYY, are in stable circular orbits around a planet of mass MMM. Spacecraft X X\,X has a mass of 3m and orbits at a radius of RRR. Spacecraft Y Y\,Y has a mass of m m\,m and orbits at a radius of 3R3R3R.

Which of the following physical quantities is greater for spacecraft Y Y\,Y than for spacecraft XXX?

A

Kinetic energy of the spacecraft

B

Gravitational potential energy of the spacecraft

C

Linear speed of the spacecraft

D

Gravitational force exerted on the spacecraft by the planet

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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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