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A piece of iron of density 7.8xx10^(3)kg...

A piece of iron of density `7.8xx10^(3)kgm^(-3)` and volume `100cm^(3)` is completely immersed in water `(rho=1000kgm^(-3))`. Calculate (i) the weight of iron piece in air (ii) the upthrust and (iii) its apparent weight in water . `(g=10ms^(-2))`

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To solve the problem step by step, we will calculate the weight of the iron piece in air, the upthrust (buoyant force), and the apparent weight of the iron piece when it is submerged in water. ### Step 1: Calculate the weight of the iron piece in air The weight of an object can be calculated using the formula: \[ \text{Weight} = \text{Density} \times \text{Volume} \times g \] ...
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