Jerry runs 60 meters east and then 20 meters west in 10 seconds. His average velocity is
m/s.

8 meters per second

Explanation: If you add 60 to 20 you get 80 meters and since he ran those 80 meters in 10 seconds you divide 80 by ten and get 8 and then you get 8m/s

from

explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.

v 154.9= 0.9 length length s little over 154.9cm