K.C.S.E Physics Q & A - MODEL 2016PP1QN08
(a)An aeroplane is moving horizontally through still air at a uniform speed. It is observed that when the speed of the plane is increased, its height above the ground increases. State the reason for this observation.
(b)Figure 6 shows parts A, B and C of a glass tube.
State with a reason the part of the tube in which the pressure will be lowest when air is blown through the tube from A towards C.
(a) Increase in the speed of the plane decreases the pressure of air above it while the pressure below it remains high. This leads to a resultant upward force
(b) Point B
The velocity is high at this point hence pressure decreases
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FORM I - PHYSICS SYLLABUS
FORM II - PHYSICS SYLLABUS
FORM III - PHYSICS SYLLABUS
FORM IV - PHYSICS SYLLABUS
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