Laura asks…variation function word problem algebra?your car's stopping distance is the sum of the braking distance (the distance you go after you get your foot on the break pedal) and the reaction distance (the distance you go between the time you realize you need to stop and the time you put your foot on the brake pedal). The braking distance varies directly with the square of the car's speed, and the reaction distance varies directly (with the first power) with the car's speed
a) at 30kph
