Question

Change the subject of the formula to a; v = √ 2 + 2 ,and also find the value of a, if v = 20m/s, u = 10m/s , s = 15 sec​

Answer 1

vi=10 m/s and vf=20 m/s

Acceleration of the body =520−10m/s2

a=2 m/s2

Velocity of the body at t=−3 sec

v=u+at

v=10−2×3

v=4 m/s