Answer:
v = 1.098 m/s
Explanation:
Given that,
A person walks 750m due north then 250 m due east of the entire walk takes 12 min.
We need to find the average velocity of the person.
Displacement,

Average velocity = displacement/time

So, the average velocity of the person is 1.098 m/s.
This is a Rift Valley.
Hope this helped!
My calculations state, not rounding, the mass is 1.8
Yes that is a balaned equation