K.C.S.E Physics Q & A - MODEL 2011PP1QN10
State the reason why it is easier to separate water into drops than to separate a solid into smaller pieces.
ANSWER
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K.C.S.E Physics Q & A - MODEL 2011PP1QN09
​Figure 7 shows part of a petrol engine, in which air flowing under atmospheric pressure passes into a constriction, where it mixes with petrol. The mixture then flows into a combustion cylinder.
​Explain what causes the petrol to move from the petrol chamber to the air stream in the constriction when the piston is moved downwards.
ANSWER
K.C.S.E Physics Q & A - MODEL 2011PP1QN08
When the temperature of a gas in a closed container is raised, the pressure of the gas increases. Explain how the molecules of the gas cause the increase in pressure.
ANSWER
K.C.S.E Physics Q & A - MODEL 2011PP1QN07
​Figure 6 shows a small toy boat floating on water in a basin. X and Y are two points near the toy.
​When a hot metal rod is dipped into the water at point X, the toy is observed to move towards Y. Explain this observation.
ANSWER
K.C.S.E Physics Q & A - MODEL 2011PP1QN06
​Figure 5 is a graph of net force on a body against it’s velocity as it falls through a liquid.
​Determine the terminal velocity of the body.
ANSWER
K.C.S.E Physics Q & A - MODEL 2011PP1QN05
​Figure 4 shows two identical beakers P and Q full of water at 90°C. Two similar cold wet clothes are wrapped, one around the top of P and the other around the bottom of Q.
​State with a reason, the beaker in which the water cools faster.
ANSWER
K.C.S.E Physics Q & A - MODEL 2011PP1QN04
​Figure 3 shows an aluminum tube tightly stuck in a steel tube.
​Explain how the two tubes can be separated by applying a temperature change at the junction given that aluminum expands more than steel for the same temperature rise.
ANSWER
K.C.S.E Physics Q & A - MODEL 2011PP1QN03
​Figure 2 shows a spring balance. It’s spring constant is 125N/m. The scale spreads over a distance of 20cm.
​Determine the maximum weight that can be measured using this spring.
K.C.S.E Physics Q & A - MODEL 2011PP1QN02
State the constant force that opposes the motion of a stone initially at rest, as it falls through air from a tail building.
ANSWER
K.C.S.E Physics Q & A - MODEL 2011PP1QN01
Figure 1 shows a lorry moving on an inclined section of a straight road. At the back is a chain hanging from a point on a horizontal axis through the centre of gravity of the lorry.​
​State with a reason whether the lorry is stable or not stable.
ANSWER
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M.A NyamotiMy passion is to see students pass using right methods and locally available resources. My emphasis is STEM courses
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