This depends on a lot of things, what are the road conditions what type of car what model car, new brakes old brakes. Tires also make a huge difference the stopping at 30mph in a Porsche gt2 will be different from a Toyota Camry.
30 miles per hour is 44 feet per second.
At 38 mph you are traveling at 55.73 feet per second.
It is traveling at about 58.66 feet per second.
1 meter is equal to 3.2808399 feet. Therefore 328.08399 feet would take 13.12336 seconds to travel at 25 feet per second.
At 200 miles per hour you are traveling 293.3 feet per second.
19.66976 metres per second38.23495 knots70.81114 kilometres a hour=]
At 60 mph you are traveling at 88 feet per second.
14.66 feet per second.
22 feet per second.
It is traveling about 51.3 feet every second.
At 38 mph you are traveling at 55.73 feet per second.
At 90 mph it will be traveling at 132 feet per second.
It will travel ten feet.
At 40 mph, a car is traveling at about 58.6 feet per second.
At 180mph you are traveling at 264 feet per second.
You have to be traveling at about 80.67 feet per second.
At two feet per second, you will travel 1.364 miles in one hour.
81 ft if you were traveling 55mph