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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.


A
202
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B
276
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C
345
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D
432
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Solution

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

Physics

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