K.C.S.E Physics Q & A - MODEL 2003PP1QN04The reading on a mercury barometer at a place in 700mm. What is the pressure at the place Nm-2 (Density of mercury is 1.36 x 104 kgm-3)
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K.C.S.E Physics Q & A - MODEL 2002PP1QN05The total weight of a car with passengers is 25,000N. The area of contact of each of the four tyres with the ground is 0.025m2. Determine the minimum car tyre pressure.
K.C.S.E Physics Q & A - MODEL 2001PP1QN04
State the reason why it may not be possible to suck liquid into your mouth using drinking straw on the surface of the moon.
answer
K.C.S.E Physics Q & A - MODEL 2000PP1QN05
​Fig. 3 shows a device for closing a steam outlet.
The area of the position is 4.0 x 10-4 m2 and the pressure of the steam in the boiler is 2.0 x 105 Nm3. Determine the weight W that will just hold the bar in the horizontal position shown.K.C.S.E Physics Q & A - MODEL 1999PP1QN25
Figure 13 shows a section of a pipe PQ. A constant pressure difference maintains a streamline flow of a liquid in the pipe
If the cross-sectional area A1 at P is less than A2 at Q, state how the liquid velocity. V2 at Q compares with velocity V1 at P.
ANSWER
K.C.S.E Physics Q & A - MODEL 1999PP1QN04
A vacuum pump was used to pump out air from the glass tube immersed in liquids as shown in figure3.
After sometime the level of paranum rose to position A. Mark 1, the corresponding position for the water level. Give a reason for your answer.
K.C.S.E Physics Q & A - MODEL 1998PP1QN07
State one advantage of fitting wide tyres on a vehicle that moves on earth roads.
ANSWERS
K.C.S.E Physics Q & A - MODEL 1997PP1QN19
An object dropped from a height h attains a velocity of 6 ms-1 just before hitting the ground. Find the value of h.
The height of the mercury column in a barometer at a place is 64cm. What would be the height of a column of paraffin in barometer at the same place? (Density of paraffin = 8.0 x 102 kgm-3)
K.C.S.E Physics Q & A - MODEL 1996PP1QN26
A house in which as cylinder containing cooking gas is kept unfortunately catches fire. The cylinder explodes. Give an explanation for the exposition
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN24
State how the pressure in a moving fluid varies with the speed of the fluid
ANSWERS
K.C.S.E Physics Q & A - MODEL 1996PP1QN05
A small nail may pierce an inflated car tyre and remain there without pressure reduction in the tyre. Explain this observation
answers
(i) Rubber is elastic and when a nail pushed through it stretches and grips the nail firmly without allowing air leakage
(ii) Valve effect pressure from inside causes tyre rubber to press firmly on the nail K.C.S.E Physics Q & A - MODEL 1996PP1QN04Figure 2 shows a U tube containing two liquids L1 and L2 of densities 0.8 g cm-3 and 1.8 cm-3respectively in equilibrium. Given that h2 = 8 cm determine the value of h1 |
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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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