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Density

If the relati...

Question

If the relative density of ice is 0.92, the dimensions of a block of ice are 2 m long, 50 cm wide and 30 cm in height. find the weight of the block in kg.

202

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276

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345

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432

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Solution

The correct option is B 276
Relative density = 0.92
density of ice = $0.92 \times 1000 k g / m^{3}$
= $920 k g / m^{3}$
Volume of ice cube = $2 \times 0.5 \times 0.3$
= $0.3 m^{3}$
So mass of ice cube = $920 \times 0.3 k g$
= 276kg.

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