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Gelneren [198K]
2 years ago
8

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

Physics
1 answer:
Luba_88 [7]2 years ago
6 0

Answer:

0.10s

Explanation:

the fall time is

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

solve for t

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