A plastic toy has mass 120g and occupies a volume of 200cm3. It is to be placed first in water and then in kerosene of density 0.80gcm−3.
(i) Convert the given mass and volume into SI units.
(ii) Calculate the density of the toy.
(iii) Decide whether the toy will float or sink in water. Give a reason based on your calculation.
(iv) Repeat the above decision for kerosene and justify your answer.