On a dry road, o car with good tires may

On a dry road, o car with good tires may be able to brake with a constant deceleration of 4.92 m/s2.
(a) How long does such a car, initially traveling at 24.6 m/s, take to stop?
(b) How far does it travel in this time?
(c) Graph x versus t and v versus t for the deceleration.