in which case the magnitude of the acceleration will be greater, when a car starts from rest or when the brake is appiled on it suddenly
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when a car starts from rest ... it's acceleration is greater ..... hope that helps you!
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Case 1: When car starts from rest its initial velocity which is zero whereas it starts to travel to a particular velocity.
Case 2: When a car suddenly stops by brake application its initial velocity becomes higher while the final velocity is moving towards zero. Accordingly, when moving forward to a greater velocity, greater acceleration is to be applied on the ground to bring the vehicle to rest position.
Hence when brake is applied suddenly ,the magnitude of acceleration will be higher.
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