A solid weighs 80g in air and 64g in water. Calculate its relative density. Also tell, when kept in water would the object float or sink.
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https://www.meritnation.com/ask-answer/question/solid-and-air-for-a-gas-or-the-relative-density/gravitation/7123333
https://www.meritnation.com/ask-answer/question/solid-and-air-for-a-gas-or-the-relative-density/gravitation/7123333