Figure 4 shows two students investigating their reaction times - Edexcel - GCSE Physics - Question 5 - 2016 - Paper 1
Question 5
Figure 4 shows two students investigating their reaction times.
Student B supports his left hand on a desk.
Student A holds a ruler so that the bottom end of the r... show full transcript
Worked Solution & Example Answer:Figure 4 shows two students investigating their reaction times - Edexcel - GCSE Physics - Question 5 - 2016 - Paper 1
Step 1
Reaction time investigation setup
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Answer
In this experiment, student A and student B investigate their reaction times by utilizing a ruler to measure how quickly student B can catch it after it is released by student A. The bottom end of the ruler is positioned between the fingers of student B to start the process.
Step 2
Recording reaction times
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Answer
When student A releases the ruler, student B must react and catch it as quickly as possible. The distance the ruler falls before being caught can be used to calculate the reaction time.
Step 3
Repeating the experiment
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Answer
After the initial trial, the investigation is repeated using student B's right hand to determine if there is any difference in reaction time between the left and right hands.