Ch18
Practice Problems


1
A certain piece of material is measured. It has a mass of 648.3 grams and a volume of 46.5 cm^3. What is the density of the material? g/cm^3

2
A piece of metal is known to have a density of 11.3 g/cm^3. What would be the volume of an irregular piece of that metal which was measured to have a mass of 359.5 grams? cm^3

3
Lead has a density of 11.3 g/cm^3. What would be the mass of a piece of lead which has a volume of 65.3 cm^3? g

4
A spring stretches 2.2 cm for each kilogram it supports. Assuming the elastic limit is not reached, how far will it stretch if it supports 5.7 kilograms? cm

5
Another spring stretches 1.8 cm when it supports 24.7 kilograms. Assuming it has not reached its elastic limit, how far will it stretch if it supports 34.3 kilograms? cm


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