A body starts to slide over a horizontal surface with an initial velocity of a 0.5 ms-1. Due to friction, its velocity decreases at the rate of 0.05ms-2. How much time will it take for the body to stop?
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here ,
u = 0.5 m/s
a = - 0.05 m/s²
as v = 0 ( body finally comes at rest)
and we know
a = v - u / t
- 0.05 = 0 - 0.5 / t
- 0.05 t = - 0.5
t = -0.5 / 0.05
t = 10 seconds
u = 0.5 m/s
a = - 0.05 m/s²
as v = 0 ( body finally comes at rest)
and we know
a = v - u / t
- 0.05 = 0 - 0.5 / t
- 0.05 t = - 0.5
t = -0.5 / 0.05
t = 10 seconds
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