The 2-second rule should be observed in all situations including when passing.
The 2-second rule means that there should be a 2-second interval between the first vehicle passing a stationary object and the next vehicle passing it. This usually works out to about 1 car length for every 10 miles per hour.
1.5 meters
That would be 3 car lengths for every 10 miles per hour.
You should be 1 car behind for every 10 mph
31 lengths.
A safe following distance between cars when driving is typically recommended to be at least 3-4 car lengths.
Two lengths
4 lengths
70.4 lengths
There are 1500/25 = 60 lengths of 25cm
39 lengths of a 50m pool 20 lengths of a 25m pool 43 lengths of a 50yard pool 22 lengths of a 25yard pool
A flight from Barcelona to Palma Spain is between 45 minutes to an hour. Many flight lengths depends when you leave from the airport and such.
There are a quarter million Planck lengths in a neutrino.