I agree that the hourly rates make more sense for longer distances. My
original musings concerned wind speed. Expressing that in mi/h or km/h
makes as little sense as the service ball speed at the U.S. Open or the
speed of a baseball pitch being given in miles per hour.
Pierre Abbat wrote:
On Wednesday 25 January 2006 22:07, Carleton MacDonald wrote:
True. 600 km to destination, and I'm going 100 km/h. Six hours.
Change the speed to meters per second, and the mental calculation becomes
almost impossible.
But if you decelerate at 9 m/s^2 and you want to figure your stopping
distance, it's easier if the speed is in meters per second. Likewise, if a
storm picks up a straw and hurls it at a board, you want the speed in meters
per second, but if you want to figure out when the storm will get to
Louisiana, you want kilometers per hour.
phma
