Saved Bookmarks
| 1. |
I want to ask that there is a formula for km /h ? Most of the time I notice that 5/18 is used. For example 90 km/h = 90 × 5/18. Please tell me why 5/18 is used. |
|
Answer» I want to ask that there is a formula for km /h ? Most of the time I notice that 5/18 is used. For example 90 km/h = 90 × 5/18. Please tell me why 5/18 is used. |
|