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Title: A crane lifts a 425 kg steel beam vertically a distance of 117 m. How much work does the crane do on ... Post by: bewley on Jul 5, 2017 A crane lifts a 425 kg steel beam vertically a distance of 117 m. How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s2? Neglect frictional forces.
A) 5.8 × 105 J B) 3.4 × 105 J C) 4.0 × 105 J D) 4.9 × 105 J Title: Re: A crane lifts a 425 kg steel beam vertically a distance of 117 m. How much work does the crane ... Post by: rubenphobia on Jul 5, 2017 Content hidden
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