# What distance is required to stop a train at 50 mph?

## What distance is required to stop a train at 50 mph?

a mile and a half

## Which of the following is considered the most dangerous of all driving hazards rain snow fog?

ANSWER IN DETAIL. Rain is considered the most dangerous of all driving hazards because rain makes roads slick.

## Should there be at least <UNK> between you and an airbag?

Calculate the Price

In 2017, approximately _____ drivers wore seatbelts. 89.7%
Infant seats should always be: Rear facing
You should have at least _____ between you and an airbag. 10 inches
More people lose their lives in _____ than any other weather related event. Floods

David Bruce

## How many attempts do you have to pass the wheels in motion final exam?

You will have 3 chances to score a 70% or better to pass the final exam.

## When an airbag deploys How long does it take to inflate protect the driver and deflate defensive driving?

Answer Expert Verified. When collision happens, the average time needed for the driver’s head to hit the dashboard (while wearing seatbelts) is around 0.25 seconds. The one tenth of a second timeframe is the industry standard for airbag to prevent the driver’s head from hitting hard objects.

## How much force is needed to deploy an airbag?

Typically, a front airbag will deploy for unbelted occupants when the crash is the equivalent of an impact into a rigid wall at 10-12 mph. Most airbags will deploy at a higher threshold — about 16 mph — for belted occupants because the belts alone are likely to provide adequate protection up to these moderate speeds.

## How much force is needed to trigger the inflation filling up of an airbag?

A handful (130 grams) of sodium azide will produce 67 liters of nitrogen gas–which is enough to inflate a normal air bag. 0.03 SECOND is all it takes to inflate an air bag. That’s not the only chemistry involved. Notice that the other chemical into which sodium azide falls apart is Na, or sodium.

## What are the three main parts to an airbag?

Airbag systems are composed of three basic parts: the bag itself, the inflator unit, and the crash sensor. The bag and inflator are contained together in the airbag module.

## What is the powder that comes out of an airbag?

Sodium azide is best known as the chemical found in automobile airbags. An electrical charge triggered by automobile impact causes sodium azide to explode and convert to nitrogen gas inside the airbag. Sodium azide is used as a chemical preservative in hospitals and laboratories.

nitrogen gas

## Is the powder in airbags dangerous?

Sodium azide, a chemical found in automobile airbags, is toxic if it gets released into the air and you’re exposed inhaling the dust or the gas that is formed.

## Can Airbags explode?

Tens of millions of vehicles with Takata air bags are under recall. Long-term exposure to high heat and humidity can cause these air bags to explode when deployed. Such explosions have caused injuries and deaths.

## How does it feel to get hit by an airbag?

Any crash that causes your airbags to go off is likely to be painful, if not from broken glass, loud noises, a sudden tight hug from your seatbelt, then from an airbag blowing up in your face. It can feel like being kicked in the face and chest by a very strong but fluffy bunny.

## What are the dangers of airbags?

It may protect you from flying or broken glass, but the impact of an airbag can seriously injure your face or eyes. This strong impact can cause facial lacerations, broken bones, or even blindness. Chest Injuries: During a serious crash, the airbag must inflate quickly and with great force.

## Can airbags go off without impact?

If an airbag deploys without a crash, they say undercarriage impact must have occurred. If an airbag fails to go off in a crash, they say the impact was not severe enough.

## What is a good reason for disabling a car’s airbags?

When a passenger has an unusual medical condition and a medical professional has deemed it safer for the passenger to ride with the passenger-side airbag deactivated. You can also deactivate the airbag when the seat is empty.

## Could an airbag cause more harm than good?

Low Impact Airbag Injuries They sometimes can cause more harm than good, however, especially when they deploy in lower impact accidents. Airbags cause significant injuries in some instances, and the likelihood of that increases if the occupant is not wearing a seatbelt.

For the most part, airbags are a good thing. When paired with a safety belt, it’s estimated that an airbag can reduce the risk of serious head injury by 85 percent, compared with 60 percent for seat belt use alone.

## Can an airbag break your legs?

Propping your legs up on a vehicle’s dashboard could break your body for life. Airbags deploy at between 100 and 220 miles per hour, and could “send your knees through your eye sockets” in the event of a crash, Tennessee’s Chattanooga Fire Department warns.

## Are airbags good or bad?

Airbags are designed to protect passengers and drivers in the event of a severe accident. However, there are cases where airbags can actually cause more harm than good. Airbags can sometimes cause severe injuries, especially for occupants of a vehicle who are not wearing seatbelts.

## Do airbags work after 20 years?

In early uses of car airbags, a few automakers called for an inspection or replacement after a number of years. But modern technology has enabled airbags to last the life of the vehicle in which they’re installed.

## How often should I replace my airbags?

Generally speaking, your airbag won’t wear out or require replacement, no matter how long you own the vehicle. While many automakers once placed labels in vehicles insisting airbags had to be replaced after 15 (or even 10) years, that’s no longer the case.

10-15 years

## How do you know when an airbag is bad?

Turn the ignition to the start position and start the vehicle. Take note of the airbag indicator light. Normal operation is when the light comes on momentarily and goes out. If the light stays on or flashes, there is a problem with the airbag system.

## How much does it cost to replace an airbag in a car?

Replacing an airbag can be incredibly expensive. The replacement bag alone can cost \$200 to \$700 for the driver’s side and \$400 to \$1,000 for the passenger side. Once you factor in labor, you can expect to pay \$1,000 to \$6,000, with the average cost sitting around \$3,000 to \$5,000.

## Why do airbags expire?

In general airbags don’t have an expiration date. The airbags in a modern vehicle are designed to last for life. Some manufacturers have service intervals for the airbags, but it’s normally a visual check and making sure the SRS (airbag) diagnostic systems is functioning correctly.

## How often do airbags fail?

According to the study: FARS coded airbags as not deployed for 18% of front occupants. NASS/CDS reported 9% non-deployment among front occupants killed.

## Are old airbags dangerous?

Eventually, degradation of the propellant charge means that older airbags will not inflate with the same pressure and speed as when they were new. This may compromise their ability to protect occupants, and result in more serious injuries.

## Can you put airbags in old cars?

Drivers of older cars can now protect themselves with an airbag, thanks to a deal between airbag maker Breed Technologies Inc. and Midas International Corp. Breed has agreed to sell its SRS-40 retrofit airbags through Midas service shops in six U.S. markets.

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