pnhs.psd202.orgpnhs.psd202.org/documents/lkraus/1544639933.pdfdisplacement). If Jimmy has a mass of...
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pnhs.psd202.orgpnhs.psd202.org/documents/lkraus/1544639933.pdfdisplacement). If Jimmy has a mass of 42.0 kg, how much work does the escalator do on Jimmy to lift him to the second
