(i) Valve A opens due to high atmospheric pressure on the water while valve B closes due to its weight and that of the water above it
(ii) Valve A closes due to its own weight and pressure of water above piston while valve B opens due to the pressure of water below it.
johnmulu answered the question on April 13, 2017 at 09:50
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(Solved)
Figure 9 shows a syringe full of water. It has two identical holes A and B drilled along its cylinder. The cylinder nozzle is closed
State with a reason how the speed of the jets of water from A and B compare when the piston is pushed into the cylinder.
Date posted: April 13, 2017. Answers (1)
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Date posted: April 13, 2017. Answers (1)
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Date posted: April 13, 2017. Answers (1)
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Figure 2 (a) and 2 (b) shows capillary tubes inserted in water and mercury respectively
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Date posted: April 13, 2017. Answers (1)
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Figure 6 (a) and 6 (b) shows capillary tubes inserted in water and mercury respectively
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Date posted: April 13, 2017. Answers (1)
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Figure 6 shows a small toy boat floating on water in a basin. X and Y are two points near the toy.
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Date posted: April 13, 2017. Answers (1)
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Figure 8 shows water drops on two surfaces. In figure 8 (a) the glass surface is smeared with wax while in figure 8 (b) the glass surface is clean.
Explain the difference in the shapes of the drops
Date posted: April 13, 2017. Answers (1)
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Figure 4 shows a capillary tube placed in through mercury.
Give a reason why the level of mercury in the capillary tube is lower than in the beaker
Date posted: April 13, 2017. Answers (1)
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Date posted: April 13, 2017. Answers (1)
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Determine the volume of one drop of oil
Date posted: April 13, 2017. Answers (1)
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Determine the reading on the measuring cylinder, after three drops of water each of volume 0.6 cm3 are added.
Date posted: April 13, 2017. Answers (1)
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In an experiment to measure the density of a liquid, a student filled a burette with a liquid to the 0 cm 3 mark. Figure 1 shows a section of the burette showing the level of the liquid after 54.5 g of the liquid had been run out
Determine the density of the liquid
Date posted: April 13, 2017. Answers (1)
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If the initial reading was at zero mark, determine the volume of one drop.
Date posted: April 13, 2017. Answers (1)
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Date posted: April 13, 2017. Answers (1)
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Fig 1 shows a fencing post whose length is being measured using a strip of a measuring tape
Use this information to answer the questions
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Date posted: April 13, 2017. Answers (1)
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Fig. 1 shows a measuring cylinder, which contains water initially at level A. A solid of mass 11 g is immersed in the water, the level rises to B.
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Date posted: April 13, 2017. Answers (1)
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