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2. A log of wood of mass 120 Kg floats in water.

The weight that can be put on the raft to make it just sink, should be (density of wood = 600 Kg/m3)

(a)   80 Kg                                               (b)   50 Kg

(c)   60 Kg                                              (d)   30 Kg

Answer-a

(5)

4.2/5 - (6 votes)

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