Question

An object moves along straight line with an acceleration of 2m/s if its initial speed is 10m/s when be its speed 2s later

Answer 1

a=2m/s^2
u=10m/s
t=2s

Now v=u+at
v=10+2×2
v=14m/s
✌

Answer 2

a=2m/s

u=10 m/s,t=5 sec

v=u+at

v= 10+2×5

v=20m/sec