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AP Physics 1: Algebra-Based 6.6 Motion of Orbiting Satellites Questions

Apply energy and angular-momentum conservation to circular and elliptical two-body orbits, including radius changes and escape conditions.

Syllabus
Effective Fall 2024
Course
AP Physics 1: Algebra-Based

Exam points

  • use gravity as centripetal force to calculate circular-orbit speed or kinetic energy versus radius
  • apply mechanical-energy conservation to orbital changes and the zero-energy escape condition
  • use energy and angular momentum to compare speeds and potentials around an elliptical orbit
  • choose the orbiting body or full two-body system when deciding whether mechanical energy is constant

Covered syllabus points

6.6.A—Describe the motions of a system consisting of two objects interacting only via gravitational forces. AP Physics…

Question 1

[Maximum number: 1]

Which of the following expressions is equivalent to the magnitude of the escape velocity in terms of the magnitude of the orbital velocity v for a spacecraft?

A

2 v

B

v

C

4 v

D

2v\sqrt{2} v

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