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<blockquote data-quote="Mage" data-source="post: 1179281" data-attributes="member: 1809">3 seconds is too much. In my country the theoretical exam for driving states that average reaction time of a driver is about 1 second. Maybe Americans are slower, dunno. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin&nbsp; &nbsp; :D" loading="lazy" data-shortname=":D" />It can't be 3 seconds - 3 seconds is a almost a pregnant pause in conversation.The car stopping time however is always longer and is a sum of driver reaction time and car deacceleration time, where the latter depends on the speed of the car.Rewind the video - the woman appears at 0:07 at collision takes place already at 0:08. You did manage to see her before collision right? So you reacted in 1 second but the brake mechanism&nbsp; would barely started to work be it operated by human leg or automatic mechanism.</blockquote>

[QUOTE="Mage, post: 1179281, member: 1809"] 3 seconds is too much. In my country the theoretical exam for driving states that average reaction time of a driver is about 1 second. Maybe Americans are slower, dunno. :D It can't be 3 seconds - 3 seconds is a almost a pregnant pause in conversation. The car stopping time however is always longer and is a sum of driver reaction time and car deacceleration time, where the latter depends on the speed of the car. Rewind the video - the woman appears at 0:07 at collision takes place already at 0:08. You did manage to see her before collision right? So you reacted in 1 second but the brake mechanism would barely started to work be it operated by human leg or automatic mechanism. [/QUOTE]

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