Reaction distance, brake distanceReaction distance refers to the distance the vehicle traveled within the driver's reaction time, including the brake reaction time (from the discovery of the stimulus to the movement of the foot to the brake pedal), the brake action time (from the start of the brake pedal to the maximum braking force), and the continuous braking time (from the maximum braking force to the car stopping).
Braking distance referred to the distance traveled by a vehicle from the beginning of braking to the complete standstill of the vehicle when the vehicle was moving at a certain speed. It was the distance traveled by the vehicle from the moment the driver stepped on the brake pedal to the moment the vehicle came to a complete stop at a certain initial speed. It included reaction distance and braking distance. The smaller the braking distance, the better the braking performance of the car.
The length of the reaction distance depended on the driving speed and reaction time. The higher the driving speed or the longer the reaction time, the longer the reaction distance. The reaction time was directly related to the driver's sensitivity and technical proficiency. Usually, the reaction time was 0.75 to 1 second. For example, when the driving speed was 30 km/h and the reaction time was 1 second, the reaction distance was 8.33 meters.
The length of the braking distance was related to the driving speed, the braking force, and the friction coefficient. The higher the driving speed, the longer the braking distance. The driving speed was proportional to the square of the braking distance. The calculation method (commonly used internationally) was: Braking distance = vehicle speed/10 * 3+ vehicle speed/10 * vehicle speed/10, but there would be differences if the tires were different (such as summer tires and winter tires) or the road conditions were different.
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Safety distance, braking distance, reaction distance, subject oneIn subject one, stopping sight distance included reaction distance, stopping distance, and safety distance. Reaction distance refers to the distance that the car travels from the moment the driver finds an obstacle in front of him and decides to take braking measures to the moment the brakes really start to work. Braking distance refers to the distance from the moment the brakes take effect to the moment the car comes to a complete stop. The safe distance (in the concept of stopping sight distance) was the minimum safe distance that should be maintained between a car and an obstacle after it had completely stopped.
For example, in some scenarios, the safety distance was stipulated: on the highway, when the speed was lower than 100 km/h, a safety distance of more than 50 meters should be maintained from the car in front; when the speed was higher than 100 km/h, a safety distance of more than 100 meters should be maintained from the car in front; when the speed was equal to 100 km/h, the minimum horizontal distance was 1.5 meters, the safety distance was 100 meters, and the dangerous distance was 50 meters. Also, in low visibility weather conditions, when the visibility is less than 200 meters, the speed should not exceed 60 km/h, and the distance between the car in front of the same lane should be at least 100 meters; when the visibility is less than 50 meters, it should leave the highway.
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What is the difference between the braking distance, the reaction distance, and the safety distance?Braking distance refers to the distance traveled by the vehicle when the vehicle is at a certain speed. It is one of the key parameters to measure the braking performance of the vehicle, including the reaction distance and the braking distance.
The reaction distance referred to the distance the vehicle traveled within the driver's reaction time. The reaction time here included the brake reaction time (from the discovery of the stimulus to the movement of the foot to the brake pedal), the brake action time (from the start of the brake pedal to the maximum braking force), and the continuous braking time (from the maximum braking force to the car stopping).
The safe distance refers to the necessary distance between the rear vehicle and the front vehicle to avoid accidental collisions. Its accurate measurement depends on the braking distance, but it also takes into account the driver's reaction time. Different driving speeds, weather conditions, types of vehicles, and road conditions had different requirements for the safe distance.
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In the distanceThe cast list in Distance included Liu Ye, Ma Yili, Mei Ting, Bao Jianfeng, Zeng Li, Zheng Qi, and Xue Haowen.
In the DistanceIn the Distance was an urban start-up drama directed by Chen Kunhui and starred by Liu Ye and Ma Yili. The drama mainly told the story of Yao Yuan in the express delivery and Internet start-up waves. Yao Yuan was a low-level courier. After he was intercepted by the law enforcement of the post office, he set up a trap to get to know the daughter of the head of the state-run post office, Lu Xiaoou. He started a series of exchanges with her in exchange for information. The plot also depicted Yao Yuan's perseverance and ups and downs in his life. You need to watch the series for more details.
Reaching the Peak of HumanityHe recommended a few novels. " I'm Drawing Manga in Tokyo " was a light novel written by a seaside traveler. The protagonist, Seiji Tachibana, traveled to Japan in the year 2000 to become a full-time mangaka. At that time, JUMP was full of talents. He did not choose the king manga, but moved towards the animation era and even serialized many manga.
" I Have a Billion Summoning Scrolls " was a game language written by Seven Nights Rejuvenation. The male protagonist, Zhang Yun, was a gaming veteran who had accumulated resources for ten years. When the game closed, he brought the system and summoning scrolls with him. The writing style was ordinary, but it looked cool. Although it was a little long-winded and the ending was abrupt, the setting of hoarding rats was good.
" The Path of Evolution " was a light novel written by Niu Bi. After the end of the world, everything evolved, and the protagonist Zhao Hao and others began their evolutionary journey. This was the new book of the Almighty Niu Bi. The writing style was experienced and funny. The characters were distinct and the plot was ups and downs. Although there were flaws, it was worth reading.
" Rage of Biological Evolution " was a science fiction novel after the apocalypse. Earth's spiritual energy surged, creatures evolved, and humans fell behind. This was a story of surviving the apocalypse and still being able to travel through time, but it had been abandoned recently.
The Peak of Solitude was a fantasy novel about the land beyond the fog. There were countless powerful beings in the universe, and the main character stood at the peak. His style was unique, and his imagination was rich.
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