Answers: 3
.
denote the initial velocity of this vehicle. 
.Let 
denote the final velocity of this vehicle. 
as the vehicle has come to a stop.Let 
denote the displacement of this vehicle. 
.Let 
denote the acceleration of this vehicle. The value of 
needs to be found.
required for braking is neither given nor required. Hence, make use of the SUVAT equation 
to relate 
.
.
, that value would become larger over time.When the rate of change of a value is equal to 
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