| Date | November 2011 | Marks available | 1 | Reference code | 11N.1.SL.TZO.2 |
| Level | Standard level | Paper | Paper 1 | Time zone | no time zone |
| Command term | Question number | 2 | Adapted from | N/A |
Question
The resistive force F acting on a sphere of radius r travelling with speed v through a liquid is given by the equation
\[F = 6\pi \eta rv\]
where \(\eta \) is a constant. What are the SI units of \(\eta \)?
A. kgm–1s–2
B. kgm2s–1
C. kgm–1s–1
D. kg–1s–3
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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