Alkyl Halide Reactions. The functional group of alkyl halides is a carbon-halogen bond, the common halogens being fluorine, chlorine, bromine and iodine. With the exception of iodine, these halogens have electronegativities significantly greater than carbon.
Its been said that most car companies make it so where airbags deploy based on the impact. It is said that the airbag will not deploy until the impact generates 7 G's of force. For most vehicles that speed is equivalent to hitting an object at 12 mph or hitting another vehicle at 25 to 30 mph. It is dependent upon the impact of the crash. Source(s): http://www.aa1car.com/library/airbag01.h...
Airbags were first introduced to cars in the 1970s. No one was quite sure how they would age. In 1992, the Insurance Institute for Highway Safety conducted one of the first tests of the technology, driving a rusty 1972 Chevrolet Impala into a barrier at 25 miles per hour.