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FREE WAEC GCE 2016 PHYSICS PRACTICAL EXPO/ANSWERS

1a)xi(cm)|yi(cm)|zi(cm)|W1(Nx10^-2)|W2(Nx10^-2)|u=(w1-w2)(Nx10^-2)|v=(w1-w3)(Nx10-2)=>1.80|1.50|1.70|3.6|3.00|3.40|0.60|0.20=>3.80|3.00|3.00|7.6|6.00|6.00|1.60|1.60=>5.50|4.40|5.00|11.10|8.00|10.00|2.20|1.00=>7.30|5.90|6.60|14.60|11.80|13.00|2.80|1.40=>9.20|7.30|8.30|18.40|14.60|16.60|3.80|1.80=>11.10|8.30|10.00|22.20|16.60|20.00|5.60|2.20 1bi)Relative density, or specific gravity, is the ratio of the density (mass of a unitvolume) of a substance to the density of a given reference material. Specific gravity usually means relative density with respect […]