23. An object volume 4m3 is totally immersed in a liquid of density 1030kgm-3. Calculate the upthrust of liquid on the object. A body has a mass 10kg in air and 4g when immersed totally in water. Calculate the volume of the body and its density

24. A body of mass 20g appears to have 13g in oil and 12g in water. What is the relative density of oil?

25. A solid rectangular block measures 0.100m x 0.80m x 0.060m and floats freely in a liquid of density 13546kgm-3. If the depth of 0.045m up the block's largest side. Find the
density of the block.

26. State Archimedes principle. A body of 9.Ogcm-3 appears to have mass 27. O g in a liquid of density 1.2gcm-3. what is the volume of
solid?

27. A substance of density 4gcm-3 causes 60 g of turpentine (density 0.80gcm-3) to overflow from a displacement vessel. What is the mass of the substance?

28. A lump of gold is suspected to contain some quantity of aluminum. If the gold sample has mass 500g and is found to have a real density of 5.2, find what mass of gold is present if the relative densities of gold and aluminum are respectively 19.3 and 26.