| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.SL.TZ1.19 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 19 | Adapted from | N/A |
Question
The mass of Earth is \({M_{\text{E}}}\), its radius is \({R_{\text{E}}}\) and the magnitude of the gravitational field strength at the surface of Earth is \(g\). The universal gravitational constant is \(G\). The ratio \(\frac{g}{G}\) is equal to
A. \(\frac{{{M_{\text{E}}}}}{{R_{\text{E}}^2}}\)
B. \(\frac{{R_{\text{E}}^2}}{{{M_{\text{E}}}}}\)
C. \({M_{\text{E}}}{R_{\text{E}}}\)
D. 1
Markscheme
A
Examiners report
[N/A]
