In 25s , a 0.81 hp crane lifted bags of cement with a total mass of 600 N to the top of a building that is being constructed . how tall is the building ?
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Expert's answer
2020-11-05T10:35:36-0500
"t=25s, u=0m\/s"
let height, "h= ut +1\/2gt^{2}" ="0 + 1\/2(-9.8)(25)^{2}= -3062.5m"
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