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Luc, who is 1.80 m tall and weighs 950 N, is standing at the center of...

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Physics

Luc, who is 1.80 m tall and weighs 950 N, is standing at thecenter of a playground merry-go-round with his arms extended,holding a 4.0 kg dumbbell in each hand. The merry-go-round can bemodeled as a 4.0-m-diameter disk with a weight of 1500 N. Luc'sbody can be modeled as a uniform 40-cm-diameter cylinder withmassless arms extending to hands that are 85 cm from his center.The merry-go-round is coasting at a steady 35 rpm when Luc bringshis hands in to his chest.

Afterward, what is the angular velocity, in rpm, of themerry-go-round?

Answer & Explanation Solved by verified expert
4.1 Ratings (672 Votes)
given Luc weight is W 950 N m 95010 95 kg mass of dumbell md 4 kg mass of merry go round is mmgr 1500 10 150 kg radius of merry go roung rmgr 2 m luc body modeled as    See Answer
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