115 points (1) During a rockburst (violent rock failure tunderground), a rock block was ejected as a projectille from th
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115 points (1) During a rockburst (violent rock failure tunderground), a rock block was ejected as a projectille from th
115 points (1) During a rockburst (violent rock failure tunderground), a rock block was ejected as a projectille from the tunnel wall art a height of 1.5 m and the block landed on the floor at distance of 2.5 m from the le wall Determine the ejection velocity w, for C) = 2014
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