Question

A car traveling on 1-96 approached a construction zone and slowed from 65 miles per hour (30 meters/second) to 45 mph (20m/s) in
5 seconds. Calculate the distance the car will take to slow down.

Answer 1

Distance = area under the v -t graph
= (30+20)/2 x 5 = 25 x 5 = 125 m