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A body weighs W 1 in a liquid of density p 1 and W 2 in a liquid of densith p 2 . What is the weight of body in a liquid of density p 3. p = rho
let actual weiight of body is W & volume is V then W - p1V.g = W1 ........1 W - p2Vg = W2 ........2 solving 1 & 2 W = (W1p2-W2p1)/p2-p1 & V = (W1-W2)/g(p2-p1) now , let its weight in liquid P3 is W3 then W - p3V.g = W3 now putting V & W , we get W3 = [W1p2-W2p1-p3(W1-W2)]/(p2-p1) approve my ans if u like it
let actual weiight of body is W & volume is V then
W - p1V.g = W1 ........1
W - p2Vg = W2 ........2
solving 1 & 2
W = (W1p2-W2p1)/p2-p1 & V = (W1-W2)/g(p2-p1)
now , let its weight in liquid P3 is W3 then
W - p3V.g = W3
now putting V & W ,
we get
W3 = [W1p2-W2p1-p3(W1-W2)]/(p2-p1)
approve my ans if u like it
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