Question

A piece of alloy has a mass of 250g when immersed in water,it has a apparent weight of 0.96Newton.what is the density of the alloy (g=10m/s)

Answer 1

Answer:

Given,

γ

s

<γ

L

The coefficient of expansion of solid is less than the coefficient of expansion of the liquid.

Because of this, the weight of displaced liquid will decrease as temperature increase. Therefore buoyancy force decrease

Hence, the apparent weight will increase as the temperature increase, W

1

<W

2

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