9. A body of mass 70 kg, when completely immersed in
water, displaces 20,000 cm3 of water. Find : (i) the
weight of body in water and (ii) the relative density of
material of body.
Ans. (i) 50 kgf, (ii) 3.5
Answers
Answered by
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Explanation:
Mass of the body = 70kg = 70,000g
Volume of the body = 20,000cm
3
Density of the body =
Volume
Mass
=
20,000
70,000
=3.5g/cm
3
Relative Density =
Density
water
Density
object
=
1
3.5
=3.5
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