the ratio of the distance traveled (in miles) to the time spent traveling (in hours)
a unit of work equal to the work done by one horsepower in one hour
a speedometer reading for the momentary rate of travel
a quarter of an hour
a unit of charge equal to 3600 coulombs
a half of an hour
a period of time equal to 1/24th of a day
clock time
a special and memorable period
distance measured by the time taken to cover it
