Reaction Time (AQA GCSE Physics Combined Science): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
What influences thinking distance?
What influences thinking distance?
Vehicle speed and reaction time
Typical reaction time range (seconds)
Typical reaction time range (seconds)
0.2 to 0.9 seconds
Factors affecting reaction time
Factors affecting reaction time
Tiredness, drugs, alcohol, distractions
Why stopwatch ineffective for reaction time
Why stopwatch ineffective for reaction time
Reaction times less than a second
Simple method to measure reaction time
Simple method to measure reaction time
Drop ruler, measure distance fallen
Hand position in ruler drop test
Hand position in ruler drop test
At 0 cm mark, thumb & finger hovering
Longer distance fallen means
Longer distance fallen means
Slower reaction time
Gravity value for calculations ()
Gravity value for calculations ()
m/s²
Formula: v, u, a, s relationship
Formula: v, u, a, s relationship
Improving ruler test accuracy
Improving ruler test accuracy
Repeat tests and calculate average