How fast is the wrench moving when it hits the ground


In the distant future, an astronaut drops a wrench on an alien world. The wrench falls from rest a distance to 1.22 m to the ground, and it takes .672 seconds to fall. What is the acceleration due to gravity on this world? How fast is the wrench moving when it hits the ground?

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Physics: How fast is the wrench moving when it hits the ground
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