There is no single answer here. It depends on the weather conditions, road type, the brakes, the tires, and goes on. Bottom line is that if you are worrying about how far you have to stop, you are going too fast. ■
At 87 miles per hour you would be traveling 459,360 feet per hour OR 127.6 feet per second.
A plane going 300 miles per hour is going 440 feet per second. (300 * 5280 / 60 / 60) In four hours, it will have traveled 1,200 miles, or 6,336,000 feet.
15 miles/hour (5280 feet/1 mile)(1 hour/3600 seconds) = 22 feet per second
55 feet
Stopping Distance = about 56.25 feet.
You are traveling at 88 feet per second at 60 miles per hour.
At 87 miles per hour you would be traveling 459,360 feet per hour OR 127.6 feet per second.
The skateboard is going 4.64 miles per hour.
At 50 miles per hour you are traveling 73.3 feet every second.
A mile is 5,280 feet. If you are going 55 miles per hour that is the same as going 290,400 feet per hour. Which is the same as 4,840 feet per minute. Or about 80.7 feet per second. It would thus take about 52.8 seconds to travel 4,260 feet if you were traveling at 55 miles per hour.
A plane going 300 miles per hour is going 440 feet per second. (300 * 5280 / 60 / 60) In four hours, it will have traveled 1,200 miles, or 6,336,000 feet.
15 miles/hour (5280 feet/1 mile)(1 hour/3600 seconds) = 22 feet per second
55 feet
Stopping Distance = about 56.25 feet.
You are going 6.82 miles per hour.
They were going the opposite direction.
There are 5,280 feet in a mile. Therefore, at 7 miles an hour, you would be traveling at 7 * 5,280 = 36,960 feet per hour. Now convert hours to minutes: 36,960 / 60 = 616 feet per minute. Now convert minutes to seconds: 616 / 60 = 10.27 feet per second.