K.C.S.E Physics Q & A - MODEL 2003PP2QN02
a) A crane lifts a load of 200kg through a vertical distance of 3.0m in 6 seconds.
(i) Work done
(ii) Power development by the crane.
(iii) Efficiency of the crane given that it is operated by an electric motor rated 12.5kW.
(b) A child of mass 20kg sits on a swing of length 4m and swings through a vertical height of 0.9m as shown in figure 2.
(i) Speed of the child when passing through the lowest point.
(ii) Force exerted on the child by the seat of swing when passing through the lowest point.
FORM I - PHYSICS SYLLABUS
FORM II - PHYSICS SYLLABUS
FORM III - PHYSICS SYLLABUS
FORM IV - PHYSICS SYLLABUS
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