Question

a body starts to slide over a horizontal surface with an initial velocity of 0.5 m per second due to the fiction its velocity decreases at the rate of 0.5 m per second square how much time it will take the body to stop

Answer 1

u=0.5 m/s
a=-0.5
v=0
v=u+at
0=0.5+-0.5t
-0.5=-0.5t
t=1