Determine retardation force during braking
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As the vehicle which is going fast is suddenly applied with a brake, the brake of the vehicle reduces the acceleration. So that the velocity goes on decreasing and at a time 't' it becomes zero. Therefore, the accelaration of vehicle becomes zero. It is known as retardation or decelaration.
it is denotes as a= -v²/s
it is denotes as a= -v²/s
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