Reaction Time (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
📚Flashcards
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12 cards from this deck
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Practise the cards
12 cards from this deck
Two factors influencing thinking distance
Two factors influencing thinking distance
Vehicle speed and reaction time
Typical reaction time range (seconds)
Typical reaction time range (seconds)
0.2 to 0.9 seconds
Four factors affecting reaction time
Four factors affecting reaction time
Tiredness, drugs, alcohol, distractions
Why stopwatch ineffective for reaction time
Why stopwatch ineffective for reaction time
Reaction times typically less than a second
Simple method to measure reaction time
Simple method to measure reaction time
Drop ruler and measure distance it falls before being caught
Starting hand position for ruler drop test
Starting hand position for ruler drop test
At 0 cm mark with thumb and forefinger hovering
Meaning of longer ruler drop distance
Meaning of longer ruler drop distance
Slower reaction time
Acceleration due to gravity ()
Acceleration due to gravity ()
Formula for reaction time from distance
Formula for reaction time from distance
How to improve ruler drop test accuracy
How to improve ruler drop test accuracy
Repeat several times and calculate average
Effect of faster vehicle speed on thinking distance
Effect of faster vehicle speed on thinking distance
Greater distance covered while driver reacts
Effect of slower reaction time on thinking distance
Effect of slower reaction time on thinking distance
More distance travelled before brakes applied