Question

A body starts from rest with a uniform acceleration of 1 m/s2. The average velocity in the interval of t = 3 s to t = 5 s

Answer 1

let V= final velocity

a= 1/2 ms-2

velocity at 3s= at
v= at
3/2 ms-1



velocity from t=3 to t= 5s

v= 3/2 +at
v= 3/2 + 1/ 2× 2
v= 3/2 +1
v= 2.5ms-1