A body starts to slide over a horizontal surface with an intial velocity of 0.5m/s due to friction its speed decreases at rate of 0.5m/s² how much will it take for the body to stop

Here, Initial velocity, u = 0.5 m/s Decrease in speed, a = -0.5 m/s² Final velocity, v = 0

Now, By first equation of motion, we have: v = u+at 0 = 0.5 – 0.5t -0.5 = -0.5t -0.5t = -0.5 t = 0.5/0.5 t = 1 sec

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