brakes applied to a car produce a uniform retardation of 0.9m/s^2.if the car travelling with velocity of 27m/s,how long it will travel before stopping
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Heya !!
Here is your answer.
Given :
Retardation = 0.9 m/s².
As retardation is always negative to acceleration. So,
acceleration = -0.9 m/s²
u = 27 m/s
v = 0
So, t = ?
Using,
v = u + at
0 = 27 - 0.9t
-27 = -0.9t
t = 30 secs.
Hence, it will take 30 secs to stop.
Hope You Got It
Here is your answer.
Given :
Retardation = 0.9 m/s².
As retardation is always negative to acceleration. So,
acceleration = -0.9 m/s²
u = 27 m/s
v = 0
So, t = ?
Using,
v = u + at
0 = 27 - 0.9t
-27 = -0.9t
t = 30 secs.
Hence, it will take 30 secs to stop.
Hope You Got It
RehanAhmadXLX:
:-)
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