The stopping distance at 40 mph typically includes the reaction distance and braking distance. On average, the total stopping distance can be around 118 feet (approximately 36 meters) under ideal conditions. The reaction distance (the distance traveled during the driver's reaction time) is about 44 feet, while the braking distance is roughly 74 feet. Factors like road conditions, vehicle type, and driver alertness can significantly affect these distances.
At 40 mph, a vehicle travels approximately 58 feet per second. The average reaction time for a driver is about 1.5 seconds, which means the reaction distance would be around 87 feet (1.5 seconds x 58 feet/second). Additionally, the stopping distance will vary depending on road conditions and vehicle braking capabilities. Therefore, at 40 mph, the total stopping distance can be around 120-140 feet when factoring in both reaction and braking distances.
At 40 mph, a vehicle's reaction distance, which is the distance covered from the moment a driver perceives a hazard to the moment they begin to brake, is approximately 44 feet. This calculation assumes a reaction time of about 1.5 seconds. Therefore, at this speed, a driver travels about 58 feet per second, leading to the reaction distance being a key factor in overall stopping distance.
40 mph = 40 miles in 60 minutes = 20 miles in 30 minutes.
Thinking distance is the distance a vehicle travels while the driver reacts to a stimulus, typically calculated as a function of speed; for example, at 20 mph it's about 6 feet, at 30 mph it's around 9 feet, at 40 mph it's approximately 12 feet, at 50 mph it's about 15 feet, and at 60 mph it's roughly 18 feet. Braking distance, which is the distance required to stop once brakes are applied, increases significantly with speed; at 20 mph it's around 20 feet, at 30 mph it's about 45 feet, at 40 mph it's approximately 80 feet, at 50 mph it's about 125 feet, and at 60 mph it's roughly 180 feet. Together, thinking and braking distances contribute to the overall stopping distance, which increases with speed.
The stopping distance at 25 mph can vary based on factors like road conditions and vehicle type, but a general rule of thumb is that it takes about 59 feet to stop. This includes the reaction distance (approximately 19 feet) and the braking distance (about 40 feet). Always remember that stopping distances can be longer on wet or icy roads.
Stopping distance at 40mph = 36m
At 20 mph, the average thinking distance is around 20 feet, while the braking distance is approximately 20 feet as well. Therefore, the overall stopping distance for a vehicle traveling at 20 mph would be around 40 feet.
85 feet
The vehicle's reaction distance depends on the driver's reaction time.
using the formula, speed squared divided by 20 plus speed gives 40 feet approximate stopping distance at 20mph.
It depends on the car's stopping power. An average distance for 40 mph would be around 85 feet
At 40 mph, a vehicle travels approximately 58 feet per second. The average reaction time for a driver is about 1.5 seconds, which means the reaction distance would be around 87 feet (1.5 seconds x 58 feet/second). Additionally, the stopping distance will vary depending on road conditions and vehicle braking capabilities. Therefore, at 40 mph, the total stopping distance can be around 120-140 feet when factoring in both reaction and braking distances.
There isn't a direct linear relationship between speed and stopping distance with locked brakes. The stopping distance increases exponentially with speed due to factors like increased kinetic energy and reduced tire grip at higher speeds. It's not accurate to calculate the stopping distance at 90 mph just by extrapolating from the data given for 30 mph. Specialized calculations or tests are needed to determine the stopping distance at 90 mph.
Using a formula for stopping distances I found online it should be 206.25 feet. Hope this helps! 20 mph x 2 = 40 ft 30 x 2.5 = 75 40 x 3 = 120 50 x 3.5 = 175 60 x 4 =240 70 x 4.5 = 315
These are the old British measures which haven't changed since th 1960's. In modern vehicles far shorter stopping distances can be obtained. Speed thinking stopping 20 mph 6 metres 6 metres 30 mph 9 metres 14 metres 40 mph 12 metres 24 metres 50 mph 15 metres 38 metres 60 mph 18 metres 55 metres 70 mph 21 metres 75 metres Soure :- The highway code 1998
40 mph = 40 miles in 60 minutes = 20 miles in 30 minutes.
Assuming that the horse was travelling at 40 mph the entire time it would take him or her 3 hours and 45 minutes.