A solid of mass 10 kg weight in water it appears 80 N. Find the relative density of the solid?
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Answer:
Mass (m) = 10 kg
Weight in water = 80 N
Acceleration due to gravity (g) = 9.8 m/s²
Weight in air = mg
= 10*9.8
= 98 N
Relative Density = Weight in air/ Weight in air - Weight in water
= 98/98-80
= 98/18
= 5.444
I hope this helps.
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