# An weighs 20g in air and 189 when it is immersed in water . calculate the relative denisity. please it's very urgent anybody can solve it fastttt

2
by Deleted account

2015-10-02T18:08:17+05:30

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Relative density = weight in air / (weight in air - weight in water)
RD = 20/(20-18)
RD = 10.
another question also wait
2015-10-02T18:28:30+05:30

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Relative density can be written as:

weight in air = 20g
weight in water = 18g