A lead ball is dropped into a lake from a diving board 12.0 ft
above the...
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Physics
A lead ball is dropped into a lake from a diving board 12.0 ftabove the water. It hits the water with a certain velocity and thensinks to the bottom with this same constant velocity. If it reachesthe bottom 5.30 s after it is dropped, how deep is the lake (infeet)?
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4.1 Ratings (605 Votes)
Applying conservation of energy between the points A andB At point A Kinetic energy of the ball 0 as ballwas released from the restPotential energy of the ball mgh where g 32174fts2 is acceleration due to gravity and h 12 ft isheight of the
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