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18 December, 04:32

A 15 cm3 block of gold weighs 2.8 N. It is carefully submerged in a tank of mercury. One cm3 of mercury weighs 0.13 N.

a. Will the mercury be displaced by the gold?

b. Will the gold sink or float in the mercury?

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Answers (1)
  1. 18 December, 05:01
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    The density of gold is 2.8 N / 15 = 0.18 units

    The density of mercury is 0.13/1 = 0.13 units

    Since the density of gold is more than density of mercury, it will sink.

    Since the gold will sink, it will displace mercury, but less than its own volume
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