An astronaut has landed on an unknown planet. She drops a wrench from a height of 8.61 meters above the surface.  The wrench takes 7.11 seconds to fall to the surface.  What is the acceleration of gravity (in meters per second squared) on this planet?  Round your answer to two decimal places.

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To find the acceleration of gravity on the unknown planet we can use the kinematic equation for f... View the full answer