Answer to Question #19147 in Mechanics | Relativity for dery benjamin

Question #19147
A stone is dropped from rest into a well.It is observed to hit the water after 2s.Find the distance down to the water surface.How fast must the stone be thrown downwards in order to hit the surface after only 1s?what are the impact velocities in the two cases?
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Expert's answer
2012-11-29T07:51:29-0500
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