Danica Timperman: ...K at bottom = U at top ((conservation if E))1/2 m v^2 = m ag hm cancels1/2 v^2 = 9.8 (2) = 19.6v^2 = 39.2v = 6.26 m/sround appropriatelyWhen you get a good response, please consider giving a best answer.This is the only reward we get.You may have to wait an hour to award BA....Show more
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