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Why should you measure your pulse over 10 seconds and not 60?
You should get a sufficintly accurate indication after 10 seconds and, that way, you save a whole 50 seconds!
How far should be you be scanning if you're driving one mile per minute?
It depends on how fast your reflexes are, at a velocity of 176 feet per second (1 mile per minute), if your reflex reaction time is 2 seconds you need to look at least 352 feet ahead, if your reaction time is 3 seconds, then you should be looking at least 528 feet ahead.
How long is 3minutes?
It is 180 seconds. There are sixty seconds in one minute, so take 60 and multiply it by three, so your equation should look like this. ----> 60 x 3. As long as you do your math correctly, you should get 180 seconds. : )
How many seconds should you search ahead of the vehicle for a open path of travel?
20 seconds, or as far as you can see down the road.
How many days does 1 trillion seconds take up?
1 trillion seconds / 60 seconds/minute / 60 minutes/hour / 24 hours/day = 11574074 days should be about 31,710 years
