K.C.S.E Physics Q & A - MODEL 2012PP1QN18
(a) Figure 12 shows a set up used to determine the mass of a solid S. The rod is pivoted at its centre of gravity C.
(i) State two measurements that need to be made to determine the mass of solid S.
(ii) Write an expression to show how the measurements in (i) above are used to obtain the mass of S.
(b) Figure 13 shows a log of wood of mass 20 kg submerged in water in a pond and held in position by a string fixed to the bottom of the pond.
Given that the density of water is 1000 kgm3 and that of wood is 800 kgm3, determine the; (i) Volume of the log. (ii) Upthrust on the log. (iii) Tension in the string.
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FORM I - PHYSICS SYLLABUS
FORM II - PHYSICS SYLLABUS
FORM III - PHYSICS SYLLABUS
FORM IV - PHYSICS SYLLABUS
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