Volume under water = ¾ x 40,000
= 30,000cm3
sharon kalunda answered the question on April 3, 2019 at 15:09
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The figure below shows a system in equilibrium at room temperature. The system is taken outside where the temperature is 20oC higher for sometime.
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Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)
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to form a circular film of diameter...(Solved)
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Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)
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Figure shows marble of mass 2.0g placed between the jaws of Vernier calipers. The magnified section is also shown. The reading of the gauge when the jaws were fully closed without the marble was 0.01cm. Use this information and the figure to answer questions a and b.
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Date posted: April 3, 2019. Answers (1)
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Determine the density of the object in Kgm-3
Date posted: April 3, 2019. Answers (1)
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A micrometer screw gauge with zero error of -0.01mm is used to determine the diameter of a marble whose diameter is 2.32mm.
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Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)
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(i) Determine the volume of one drop of oil
(ii) Calculate the thickness of a molecule
(iii) State any two assumptions made in this experiment
(iv) In the experiment 14.(a) lycopodium powder is used on the water surface. What is the role
of the lycopodium powder?
(b) A molecule of a liquid occupies a space about 1.5 x 10-9-9m in
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Date posted: April 3, 2019. Answers (1)
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Lycopodium powder is lightly sprinkled on a clean water surface in a large tray. A red hot needle is plunged at the centre of the water surface. State and explain the observation
Date posted: April 3, 2019. Answers (1)
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Water in a dam falls through a height 24.5m. If we assume that there are no energy losses,calculate the new temperature of the water as it strikes the lower end, given that its initial temperature at the top of the dam is 18.9°C.Take specific heat capacity of water = 4200J/kg
Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)
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The figure below represents a bimetallic strip of metals X and Y at room temperature.
The figure below shows its shape when dipped into crushed ice
Sketch a diagram in the space given below to show the shape when the strip is heated to a
temperature above the room temperature
Date posted: April 3, 2019. Answers (1)
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The figure below shows a bimetallic strip made of brass and iron. A marble is placed at end A of the bimetallic strip as shown below:-
State and explain what will be observed when the bimetallic strip is strongly cooled.
Date posted: April 3, 2019. Answers (1)
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Date posted: April 3, 2019. Answers (1)