An ice box used for keeping cold eatable...

An ice box used for keeping cold eatables has a total wall area of `1 metre^2` and a wall thickness of 5.0 cm. The thermal conductivity of the ice box is `K=0.01 (jou l e)/(metre)^@C`. It is filled with ice at `0^@C` along with eatables on a day when the temperature is `30^@C`. The latent heat of fusion of ice is `334 x 10^3` joules/kg. The amount of ice melted in one day is (1 day = 86,400 seconds)

A

776g

B

1552g

C

7760g

D

11520g

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