P = Phg
13600 x 0.690 x 10
= 93840
Atmospheric pressure = 93840 + 15 = 93855 Nm¯²
sharon kalunda answered the question on September 10, 2019 at 09:36
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The figure below shows part of micrometer screw gauge with 50 divisions on the thimble scale. Complete the diagram to show a reading of 5.73mm.
(Solved)
The figure below shows part of micrometer screw gauge with 50 divisions on the thimble scale. Complete the diagram to show a reading of 5.73mm.
Date posted:
September 10, 2019
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Answers (1)
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The figure below shows a measuring cylinder,which contains water initially at level A. A solid of mass 0.32g is immersed in the water,the level rises...
(Solved)
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Date posted:
September 10, 2019
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The tube of a CRO is coated with graphite. State three functions of the graphite coating
(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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September 10, 2019
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Distinguish between cathode rays and light rays.
(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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A cooker rated 2.0kW was operated for 40minutes each for 30days. If the cost of each kilo – watt – hour unit is Shs. 15.50,...
(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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A wire of length 1.5m offers resistance of 6.5 ohms to the flow of current through it. If the cross section area is 5.0×10-6m2.calculate the...
(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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A hunter standing some distance from a cliff blows a whistle and hears its echo 2 seconds later. How far is the cliff from the...
(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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Kenyatta National Hospital uses x-rays of wavelength 1×10-11m. Calculate the frequency of the x-rays. (Take c=3×108m/s.)
(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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A ray of light makes an angle of 60° with a plane mirror as shown in the figure below. The mirror is rotated through an...
(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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A mason uses a six wheel pulley system to raise a weight of 250N through a vertical height of 2.5m using the machine.If the mason...
(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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The figure below shows a block of mass 50g and density 2000kg/m3 submerged in a certain liquid and suspended from uniform horizontal beam by means...
(Solved)
The figure below shows a block of mass 50g and density 2000kg/m3 submerged in a certain liquid and suspended from uniform horizontal beam by means of a string. A mass of 40g suspended from the other end of the beam puts the system in equilibrium
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Date posted:
September 10, 2019
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Answers (1)
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A bullet moving at a velocity of 350m/s hits a tree trunk of diameter 70cm. It emerge from the opposite side with a velocity of...
(Solved)
A bullet moving at a velocity of 350m/s hits a tree trunk of diameter 70cm. It emerge from the opposite side with a velocity of 180m/s. Determine the average deceleration of the bullet in the trunk.
Date posted:
September 10, 2019
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Answers (1)
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The figure below shows an arrangement to demonstrate diffusion through solids.
(Solved)
The figure below shows an arrangement to demonstrate diffusion through solids.
The hydrogen gas is supplied for sometimes then stopped and the beaker removed. State and explain what is likely t be observed when the hydrogen gas supply is stopped.
Date posted:
September 10, 2019
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Answers (1)
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The figure below shows a simple instrument designed by a student for weighing objects.
a) State what happens if one places an item on the weighing...
(Solved)
The figure below shows a simple instrument designed by a student for weighing objects.
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Date posted:
September 10, 2019
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Answers (1)
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Xcm3 of substance A which has density 800 kg/m3 is mixed with 1000cm3 of water with a density of 1000kg/m3. The density of the mixture...
(Solved)
Xcm3 of substance A which has density 800 kg/m3 is mixed with 1000cm3 of water with a density of 1000kg/m3. The density of the mixture is 960kg/m3. Determine the value of X
Date posted:
September 10, 2019
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Answers (1)
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Water at 200C falls over a waterfall of height 40m. Calculate the temperature of water at the bottom of the waterfall if 80% of potential...
(Solved)
Water at 200C falls over a waterfall of height 40m. Calculate the temperature of water at the bottom of the waterfall if 80% of potential energy at the top is converted into heat energy
Date posted:
September 10, 2019
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Answers (1)
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An X-ray tube operates with a p.d. of 200kv. Only 0.5% of the kinetic energy of the electrons is converted into X-rays. Calculate the frequency...
(Solved)
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Date posted:
September 10, 2019
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Answers (1)
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State what determines the quality of X-rays in an X-rays tube.
(Solved)
State what determines the quality of X-rays in an X-rays tube.
Date posted:
September 10, 2019
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Answers (1)