| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.HL.TZ2.28 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 28 | Adapted from | N/A |
Question
A moon of mass M orbits a planet of mass 100M. The radius of the planet is R and the distance between the centres of the planet and moon is 22R.
What is the distance from the centre of the planet at which the total gravitational potential has a maximum value?
A. 2R
B. 11R
C. 20R
D. 2R and 20R
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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