Reaction time (AQA GCSE Physics Combined Science): Flashcards
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Practise the cards
11 cards from this deck
What is reaction time?
What is reaction time?
Time gap between stimulus and response
Typical reaction time range
Typical reaction time range
0.2 to 0.9 seconds
What are 3 factors that slow reaction time?
What are 3 factors that slow reaction time?
Tiredness, alcohol/drugs, distractions
In driving, what does reaction time affect?
In driving, what does reaction time affect?
Thinking distance
What method can measure reaction time?
What method can measure reaction time?
Ruler drop test
In ruler drop test: further fall means?
In ruler drop test: further fall means?
Slower reaction time
Formula: reaction time from ruler drop
Formula: reaction time from ruler drop
Reaction time if ruler falls 0.16m
Reaction time if ruler falls 0.16m
0.18 seconds
How to improve ruler drop test accuracy?
How to improve ruler drop test accuracy?
Repeat tests, calculate average
Why are longer reaction times dangerous for drivers?
Why are longer reaction times dangerous for drivers?
Greater thinking distance, higher accident risk
Can reaction time be improved?
Can reaction time be improved?
Yes, through practice (e.g., athletes train)