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How Far Can a Car Stop from 80 km/h in Emergency Braking?

1 Answers
AllisonAnn
07/30/25 5:27am
Under normal circumstances, it takes at least fifty meters for a car to come to a complete stop when braking suddenly at 80 km/h. Here are the relevant details: 1. Factors affecting braking distance at 80 km/h: Generally, the more pistons the brake caliper has, the better the braking performance. Additionally, the wear of brake pads and brake discs can significantly impact braking efficiency. Therefore, it is essential to regularly replace worn parts of the braking system. 2. Tire performance: The grip of the tires determines the friction between the car tires and the road surface. Better tire grip results in greater friction and shorter braking distances. Friends living in northern regions know that it is normal for cars to have difficulty stopping on icy roads in winter. This is precisely because the friction on ice is very weak. Hence, it is advisable to switch to winter tires or install snow chains during winter in northern areas.
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How to Overcome Nervousness in Subject 3 Driving Test?

Here are specific methods to overcome nervousness in the Subject 3 driving test: 1. Believe in yourself and build confidence: Treat the on-site test as your usual practice session, be confident about the exam, and don't worry about underperforming. 2. Strengthen simulation training: Generally, before the Subject 3 test, there are simulation test trainings. During training, adopt the "easy first, difficult later" approach. This will make it feel relatively simpler and help you relax mentally. 3. Familiarize yourself with the test site in advance: The test site may not be the same as the training site. Getting familiar with the site beforehand can alleviate nervousness and stress, aiding in a smooth test passage.
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Which Side is the Steering Wheel on When Driving in the US?

The steering wheel in American cars is on the left side, and driving is on the right. Here is some knowledge about steering wheels: 1. Regulations on steering wheel position: The placement of the steering wheel on the left or right is mainly determined by national traffic rules. Countries with right-hand traffic place the steering wheel on the left to facilitate observation of road conditions without being obstructed by vehicles ahead, which is particularly important when overtaking. 2. Regions with left-side steering wheels: The vast majority of countries and regions in the world have steering wheels on the left side, with only a few exceptions such as the UK, Japan, Hong Kong, and Macau where they are on the right.
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How long does it take to get delivery of the Urus?

Generally, it takes about one year to take delivery of the Urus. Here is some information about the Urus: 1. Introduction to the Lamborghini Urus: As the world's first super SUV, the Lamborghini Urus combines the soul of a super sports car with the performance of an SUV. The Urus is equipped with a 4.0-liter V8 twin-turbocharged engine, delivering up to 650 horsepower and a maximum torque of 850 Nm. It accelerates from 0 to 100 km/h in just 3.6 seconds, with a top speed of 305 km/h. 2. Design philosophy of the Urus: The interior of the Lamborghini Urus represents the fusion of Italian noble craftsmanship and cutting-edge technology. The aeronautical design concept and driver-centric equipment are all reflected through the triple TFT display, prioritizing the driver's needs and making the driving experience more enjoyable and pleasurable.
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How to Replace the Battery in a Volkswagen Tiguan Key?

To replace the battery in a Volkswagen Tiguan key, first pull out the mechanical key. Then, use a small screwdriver to turn the bottom opening position 90 degrees. Next, rotate the outer shell of the key to open the key cover. After opening, remove the internal battery and replace it with a new one. Below is an introduction to the Volkswagen Tiguan: 1. Transmission: The Tiguan is equipped with industry-leading 1.8TSI and 2.0TSI engines, paired with a 6-speed manual transmission or an Aisin 6-speed automatic transmission, delivering strong power and higher fuel efficiency. 2. Configuration: The Tiguan comes standard with ESP body stability system, EBD electronic brake force distribution, and ASR traction control system.
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How to Use the S Gear in an Automatic Transmission?

When you need better acceleration performance or to overtake, the S gear can provide continuous power. Here is some knowledge about the S gear: 1. Introduction to the S gear: Generally, the S gear is accompanied by symbols like + and -, which indicate gear adjustment. For long downhill or uphill sections, you can press the - symbol while in S gear to achieve a more ideal speed, reducing the need for prolonged braking. 2. The difference between S gear and D gear: Compared to D gear, under the same engine and transmission conditions, the S gear allows for faster driving, offering a thrilling driving experience.
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How many points are deducted for coasting in neutral?

Coasting in neutral results in a deduction of three points. Coasting in neutral refers to the act of shifting the vehicle's gear to the neutral position while driving, thereby cutting off the power transmission between the engine and the transmission. The vehicle relies on its inertia to coast rather than turning off the ignition switch. The following are the hazards of coasting in neutral: 1. Increased fuel consumption: Coasting in neutral does not necessarily save fuel; instead, it may lead to higher fuel consumption and potential vehicle slippage. When coasting in neutral, the wheels continue to drive the turbine at high speed, agitating the automatic transmission fluid. The automatic transmission oil pump stops working due to the neutral gear position, causing all components inside the transmission to lose cooling, which can damage internal parts and lead to slippage and other malfunctions. 2. Damage to the automatic transmission: Coasting in neutral can potentially harm the automatic transmission. The difference between the vehicle's speed and the engine's RPM during neutral coasting increases friction, reduces lubrication effectiveness, and accelerates the wear of internal friction plates in the automatic transmission. 3. Risk of rear-end collisions: Coasting in neutral reduces engine braking effectiveness, potentially causing rough gear shifts. Since the engine and automatic transmission are disconnected, the vehicle remains in an accelerating state, gaining speed as it coasts. If the distance between vehicles is short and the leading vehicle stops suddenly in an emergency, the likelihood of a rear-end collision increases significantly.
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