Una persona se encuentra descansando se pone de pie y corre 0.8 km a una velocidad de 7m/s, determina su aceleracion

Explanation:

I assume that by "velocity" you refer to the average velocity of the man during the trip.

In that case, we have the following data:

(average velocity)

s = 0.8 km = 800 m (distance covered by the man)

Therefore, we can find the total time of the trip by using

Now, we know that the motion during this trip is a uniformly accelerated motion, so we can find the acceleration by using the suvat equation:

where

u = 0 is the initial velocity (the man starts from rest)

a is the acceleration

Using s = 800 m and t = 114.2 s, we find:

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