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  Dymaries drives his car on the freeway at 80 km / h, when he notices that Santa's sleigh Going in the opposite direction in its lane at 60 km / h. Both Dymaries and Santa apply the brakes simultaneously. Santa decelerates to 2.0 m / s2 and Dymaries decelerates to 4.0 m / s2. What should be the minimum distance between them to avoid collision?

Answer rating: 100% (QA)

Santas initial velocity 60 kmh Dymaries initial velocity 80 kmh Santas deceleration 20 ... View the full answer