| Date | November 2014 | Marks available | 1 | Reference code | 14N.1.HL.TZ0.25 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 25 | Adapted from | N/A |
Question
At the surface of a planet of radius r, the gravitational field strength is g and the gravitational potential is V. Which gives the gravitational field strength and gravitational potential at a height 3r above the surface?
Markscheme
A
Examiners report
The majority of candidates favoured D. A simple sketch will show that at a height of 3r above a planet, the distance to the centre of the planet is 4r.
Syllabus sections
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