Reaction Time (AQA GCSE Physics): Quizzes

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Reaction Time
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12 questions from this quiz

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What is the typical range for human reaction time?

0.2 to 0.9 seconds

How does vehicle speed affect thinking distance?

Faster speed = greater thinking distance

What happens to thinking distance if reaction time is slower?

More distance before brakes applied

Which factor does NOT affect reaction time?

Vehicle colour

Which is an example of a distraction affecting reaction time?

Using a phone

Why is a standard stopwatch ineffective for measuring reaction time?

Reaction times are less than a second

What simple method can measure reaction time?

Dropping and catching a ruler

Where should your hand be positioned at the start of the ruler drop test?

At the 0 cm mark

What does a longer distance in the ruler drop test indicate?

Slower reaction time

What value for acceleration due to gravity is used in the calculation?

9.819.81 m/s²

Which formula is used to calculate reaction time from the ruler drop test?

v2=u2+2asv^2 = u^2 + 2as

How can you improve accuracy of the ruler drop experiment?

Repeat several times and find average

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