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How can you calculate the reaction rate of your friend with a ruler? Design an experiment to calculate the reaction rate of your partner.
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How can you calculate the reaction rate of your friend with a ruler? Design an experiment to calculate the reaction rate of your partner.

User Leon Aves
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Without warning, release the ruler and let it drop - the subject must catch it as quickly as possible as soon as they see it fall. Record in meters the distance the ruler fell. Repeat several times (e.g. 10 times) and take the average score.
User ZeroProcess
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