Physics, 11.07.2019 11:30 paytonpaige22
During a blackout, you are trapped in a tall building. you want to call rescuers on your cell phone, but you can't remember which floor you're on. you pry open the doors to the elevator shaft, drop your keys down the shaft, and hear them hit bottom at ground level 3.27 s later. assume that the height of one floor is 3.0 m.
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