a body of volume 100 cm^3 weighs 1 kgf in air. Find-
1) it's weight in water
2) relative density of body
please do it fast
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Answer:
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Explanation:
Relative density (σ) = Density of body / Density of water
= (Mass of body / Volume of body) / Density of water
= [1000 g / (100 cm³)] / 1 g/cm³
= 10
Weight in water = Weight in air [1 - 1/σ]
= 1 kg × 9.8 m/s² [1 - 1/10]
= 8.82 N
= 0.9 kgf
Answers:
[1] 0.9 kgf = 8.82 N (or) 90 N if g = 10 m/s²
[2] 10
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