IL Driving Instructor Practice Questions - Illinois Driving Instructor License Exam

What should an instructor teach about the relationship between speed and stopping distance?

Stopping distance increases proportionally with speed Doubling speed quadruples braking distance because kinetic energy increases exponentially with speed Speed does not significantly affect stopping distance Stopping distance depends only on tire condition

Correct Answer:

Doubling speed quadruples braking distance because kinetic energy increases exponentially with speed

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