5.15 Reaction Time Flashcards
1
Q
What is reaction time affected by ?
A
Tiredness , drugs , alcohol and distractions
2
Q
How can you measure reaction time ?
A
Use a computer based test
3
Q
Explain ruler drop test
A
1) arm resting on table
2) ruler should hang between thumb and forefinger (lined up with zero)
3) without warning drop ruler
4) measurement on ruler is how far the ruler dropped in the time it takes you to react
4
Q
The longer the distance caught on ruler the
A
Longer the reaction time
5
Q
How to calculate reaction time
A
Use v2+u2=2as and acceleration equation to find time
6
Q
How to make fair test
A
Same ruler and same person
