3 ms·
A 'k km' is an Mm, so 24 Mm/h , (or 6.67 km/s , if you'd like to go full SI)
by Kim_Bruning 3y ago
A 'k km' is an Mm, so 24 Mm/h , (or 6.67 km/s , if you'd like to go full SI)
- hetman 3y agoTechnically correct but not really clear of it helps clear communication in this context. SI natives think of a "kilometre" as its own thing (in the same way one thinks about a "mile") rather than thinking about it as a thousandfold multiple of a metre.