The study of automobile safety is a very important field. A safety device that i

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The study of automobile safety is a very important field. A safety device that is showing up in many new car models is a collapsible steering column. When the driver collides with such a column: c The force on the driver is lessened because the momentum change of the driver is increased. c The force of the driver is lessened because the momentum change of the driver is reduced C None of these C The force on the driver is lessened because of the increase in time of collision c The force on the driver is lessened because of the decrease in time of the collision Subenit Answer Tries 0/2 For a given force, heavier cars are safer in collisions than lighter cars. This statement is: C False, by Newton's Second Law c True, by Newton's Third Law c True, by Newton's Second Law C False, by Newton's Third Law c None of these Submit Answer Tries 0/2 In a head-on collision between two identical cars, which of the following is true when comparing elastic and inelastic collisions: c An elastic collision is less damaging to the cars than an inelastic collision C An inelastic collision is less damaging to the cars than an elastic collision CEither type of collision is equally damaging c The more damaging collision involved smaller impulses C None of these Submit Answer Tries 0/2 Two cars collide inelastically at a North-South East West intersection. The skid marks point northwest. Concerning the initial directions of the two cars, this tells you that one driver was traveling: C West while the other was traveling south C None of these C East while the other was traveling south C East while the other was traveling north C West while the other was traveling north Submit Answer Tries 0/2

Explanation / Answer

(3) An elastic collision is less damaging to the cars than in inelastic collision.

(5) The mass of car2 should be much greater than the mass of car 1.

(7)We have to consider whether friction will cause a collision to be elastic or inelastic.

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