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According to the UK Highway code, in the dry and with good tyres (and road surface) it allows for an emergency stop:
20 ft for thinking
+
20 ft for the actual braking
giving a total stopping distance of 40 ft.
However, the table has not been updated since its invention whereas car brakes have and they are much better than they used to be.
Also, for large vehicles (coaches and lorries) the same table is used, but their stopping distance is actually likely to be larger (especially for articulated lorries) due to the safety aspects of passengers/loads - the priority of a large vehicle driver.
The formula The Highway Code uses is:
stopping_distance = thinking_distance + braking_distance
= speed + speed2/20 feet
where speed is in mph (to give the distance in feet).
At 70mph (the speed limit on UK motorways), this gives a stopping distance of 315ft or approx 96m. If you want to know what this (roughly) looks like, the marker posts at the side of the motorway are 100m apart.
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How many ft per hour eguals 1 mile per hour?
5,280 feet = 1 mile
How many cubic feet are in one mile per hour?
cubic feet is a unit of volume and a mile per hour is a unit of speed. The two are not compatible, the question is nonsensical.
How long does it take to travel 52 feet at 5 miles per hour?
(52 feet) / (5,280 feet/mile x 5 mile/hour) = (52 feet x mile x hour) / (5,280 feet x 5 mile) =(52 hour) / (5,280 x 5) = 0.00197 hour = 7.091 seconds (rounded)
How many miles are there in 1540 feet?
There are 5280 feet in one mile. Therefore, 1540 feet is equal to 1540/5280 = 0.2916 recurring (that is, 0.29166666...) or seven twenty-fourths of a mile.
65 mph equals how many feet per hour?
There are 5,280 feet in a mile. 65*5280= 343,200 So, approximately 343,200 feet per hour.
How many feet are in twenty three and one half of a mile?
23.5 miles*5280 feet/mile= 124080 feet
How many ft per hour eguals 1 mile per hour?
5,280 feet = 1 mile
How many cubic feet are in one mile per hour?
cubic feet is a unit of volume and a mile per hour is a unit of speed. The two are not compatible, the question is nonsensical.
How many feet do you travel 65 mile an hour?
It is: 65*1760*3 = 343,200 feet
How many hours will it take a bicyclist traveling 17.6 feet per second to finish a 90 mile race?
17.6 feet/second*60 seconds/minute*60 minutes/hour=63360 feet per hour there are 5280 feet in a mile 63360 feet/hour*mile/5280 feet=12 miles per hour 90 miles/12 miles per hour=7.5 hours
How long does it take to travel 52 feet at 5 miles per hour?
(52 feet) / (5,280 feet/mile x 5 mile/hour) = (52 feet x mile x hour) / (5,280 feet x 5 mile) =(52 hour) / (5,280 x 5) = 0.00197 hour = 7.091 seconds (rounded)
How many feet in one mph?
1 mile per hour equates to 5,280 feet per hour or 1.467 feet per second.
How many miles are there in 1540 feet?
There are 5280 feet in one mile. Therefore, 1540 feet is equal to 1540/5280 = 0.2916 recurring (that is, 0.29166666...) or seven twenty-fourths of a mile.
How much is 25 miles to how many feet?
there are 5280 in one mile. so twenty-five miles has 132,000 feet
HOW many feet in 1 NAUTICAL MILE?
6076.11549 ft Because a nautical mile is defined as 1852 metres a hour sumbit?
65 mph equals how many feet per hour?
There are 5,280 feet in a mile. 65*5280= 343,200 So, approximately 343,200 feet per hour.
How many feet does a car travel at 40 miles per hour?
1 mile is 5280 feet. So, 40 miles per hour is the same as 211,200 feet per hour.
