CBSE Class 9 Answered
numericals
Asked by mababu65 | 16 Nov, 2009, 06:32: PM
Expert Answer
Relative density of iron = Weight in air/(Weight in air - weight in liquid) = 44.5/(44.5-39.5) = 8.9
The buoyance force or upthurst due to water = (44.5-39.5)xg = 1xgxViron
Viron = 5 cm3
The buoyance force or upthurst due to oil = (44.5-4.3)xg = ρoilxgxViron
ρoil = (44.5-4.3)/5 = 8.04 gm/cm3
ρoil = 8040 kg/m3
Regards,
Team,
TopperLearning.
Answered by | 16 Nov, 2009, 09:23: PM
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