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May 18 2013, 18:22:30, Sat

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Subject: Re: Physics question Author: 中七 [ Next Thread | Previous Thread | Next Message | Previous Message ] Date Posted: 21:13:13 05/10/05 Tue In reply to: F.3 's message, "Physics question" on 13:31:50 05/09/05 Mon Weight of ice = m density of water = 1000 kg/m3 density of ice = 920kg/m3 V = volume of water displaced if 1 m3 of ice is placed in water. weight = 920g upward lift = 920g = V1000g so V = 920/1000 so fraction of ice in water = 92% [ Next Thread | Previous Thread | Next Message | Previous Message ]

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[> [> Subject: Re: Physics question Author: 挑剔一點 [ Edit | View ] Date Posted: 22:07:39 05/10/05 Tue >weight = 920g >upward lift = 920g = V1000g weight should be a force, (weight=920N) mass=920g