an acorn at rest falls from an oak tree. the acorn hits the ground with a velocity of 14.7 m/s. How long did it take the acorn to land?

 In autumn, the birds drill holes into trees and tightly stash acorns for winter; the acorns are so snug that even squirrels can't pry them out. An acorn lies on the ground beneath an oak tree.

Explanation:

the answer would be 32*f

battery with hi vtge high val resist in series