"My stab at this (feedback welcome):
Total distance for last car 500 meters: Assuming mostly standard cars, average car length + gap = 5 meters.
Acceleration time total 505 seconds: first car reacts slowest, accelerate in 10 seconds. Every other car needs 5 seconds (can see ahead).
Takes 90 seconds to cover 500m: to cover 500m that means 90 seconds (20kph = 10km in 30min = 1km in 3min = 500m in 1.5m)
A bit under 10 minutes = 90s + 505s. Probably a bit less as last car"
Gabe M. - "My stab at this (feedback welcome):
Total distance for last car 500 meters: Assuming mostly standard cars, average car length + gap = 5 meters.
Acceleration time total 505 seconds: first car reacts slowest, accelerate in 10 seconds. Every other car needs 5 seconds (can see ahead).
Takes 90 seconds to cover 500m: to cover 500m that means 90 seconds (20kph = 10km in 30min = 1km in 3min = 500m in 1.5m)
A bit under 10 minutes = 90s + 505s. Probably a bit less as last car"See full answer
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