A car traveling at 45 miles per hour is brought to a stop, at constant deceleration, 138 feet from where the brakes are applied. (Give your answers...

A car traveling at 45 miles per hour is brought to a stop, at constant deceleration, 138 feet from where the brakes are applied. (Give your answers correct to the nearest whole number.)(a) How far has the car moved when its speed has been reduced to 30 miles per hour? ft(b) How far has the car moved when its speed has been reduced to 15 miles per hour? ft