Probably about 30 feet. but you would still sustain injuries.
Not enough detail.
One way is the verbal Rating of perceived exertion scale 6-20
Another is heart rate range compared to their Max heart rate 220-age
Answer:
A “de jure” census tallies people according to their regular or legal residence, whereas a “de facto” census allocates them to the place where enumerated—normally where they spend the night of the day enumerated
Explanation: