If you catch the ruler 4.9 cm from the lower end, what is your reaction time?

asked Dec 23, 2022 218k views

11 votes

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13 votes

Answer:

0.10s

Step-by-step explanation:

the fall time is

4.9/100=.5*9.81*t^2

solve for t

Vernomcrp answered Dec 29, 2022

6.8k points

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