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In a drag race, drivers must wait until the greenlight is illuminated before they can move...

In a drag race, drivers must wait until the greenlight is illuminated before they can move their vehicle. Explain why a time delay exists, based on the information presented in this exercise.

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It is the reaction time of humans compared with the anticipated green signal. The transmission brake delay timer (delay box) makes the car to hold still at the start line, even if you apply high engine power. The reaction time denotes the time taken from the final yellow signal. .500 reaction time denotes a perfect green light & under .500 reaction time denotes the car moved prior to the green light. The driver would be disqualified if he commits a foul start (starting before green light). The cars may have different performance power & still they can compete at an even basis. The expected E.T (elapsed time) for both the cars are compared, & the car which is slow gets a head start equivalent to the difference of both.

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