A body starts to slide over a horizontal surface

Asked by admin @ 11/08/2021 in Physics viewed by 296 People

a body starts to slide over a horizontal surface with an initial velocity of 0.5 m/s. due to friction its velocity decreases at the rate of 0.05 m/s*.how much time will it take for the body to stop

Answered by admin @ 11/08/2021

U=0.5 m/s
a=-0.05 m/s²
v=0
By first equation of motion, we have:
v=u+at
0=0.5-0.05t
0-0.5=-0.05t
-0.5=-0.05t
0.5/0.05=t
50/5=t
10 s=t

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