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A worker drops a wrench from the top of a tower 80 m tall. What is the velocity when the wrench strikes the ground? Round to the nearest 100ths place.

Answer :

sqdancefan

Answer:

  39.60 m/s

Explanation:

An appropriate formula is ...

  v = √(2gd) = √(2·9.8 m/s^2·80 m) ≈ 39.60 m/s

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