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An engineer is trying to determine the height from which she needs to release a 50kg wrecking ball such that the wrecking ball will be traveling 11.5m/s when strikes the building at the position shown. Neglect drag. List the energy types at the initial and final time and whether work REPLNGER and loss (due to non-conservative forces) occur as well as the Erane&Rgsing Vene Over Mines corresponding amounts of energy. initial: unit O GPE work? (N Worko Nolasso final: GPEKE •= %3D unit J %3D BARNHART EC WARNHART hi loss? O unit Jo 5.6m reference level Sunit JO %3D From what height above the ground does the engineer need to release the ball? unit
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Transcribed Image Text:An engineer is trying to determine the height from which she needs to release a 50kg wrecking ball such that the wrecking ball will be traveling 11.5m/s when strikes the building at the position shown. Neglect drag. List the energy types at the initial and final time and whether work REPLNGER and loss (due to non-conservative forces) occur as well as the Erane&Rgsing Vene Over Mines corresponding amounts of energy. initial: unit O GPE work? (N Worko Nolasso final: GPEKE •= %3D unit J %3D BARNHART EC WARNHART hi loss? O unit Jo 5.6m reference level Sunit JO %3D From what height above the ground does the engineer need to release the ball? unit
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