aThe mass of the lead object is more than that of the aluminiumbThe mass of the aluminium object is morecBoth objects have the same massd, The answer depends on the shape of the objects
bThe mass of the aluminium object is more .that's the reason why Waa Wa-Vaρw W?a W?-V?ρw since Waa W?a , then : Wa-Vaρw W?-V?ρw Vaρa-Vaρw V?ρ?- V?ρw Va(ρa-ρw) V?(ρ?-ρw) 1.7Va 10.4V? Va/V? 10.4/1.7 6.118
