- It is not visible.
- Occupies no space.
- Has no mass nor any other physical property.
sharon kalunda answered the question on April 23, 2019 at 10:05
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The mass of a density bottle is 20g when empty and 45g when full of water. When full of mercury, its mass is 360g. Calculate...
(Solved)
The mass of a density bottle is 20g when empty and 45g when full of water. When full of mercury, its mass is 360g. Calculate the density of mercury.
Date posted:
April 23, 2019
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Answers (1)
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Derive the three equations of linear motion.
(Solved)
Derive the three equations of linear motion.
Date posted:
April 23, 2019
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Answers (1)
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The figure below represents part of a tape pulled through a ticker-timer by a trolley moving down an inclined plane. If the frequency of the...
(Solved)
The figure below represents part of a tape pulled through a ticker-timer by a trolley moving down an inclined plane. If the frequency of the ticker-timer is 50Hz, calculate the acceleration of the trolley.
Date posted:
April 23, 2019
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Answers (1)
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A paper tape was attached to a moving trolley and allowed to run through a ticker-timer. The figure below shows a section of the tape.
(Solved)
A paper tape was attached to a moving trolley and allowed to run through a ticker-timer. The figure below shows a section of the tape.
If the frequency of the ticker-timer is 20Hz, determine:
a) The velocity between AB and CD.
b) The acceleration of the trolley.
Date posted:
April 23, 2019
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Answers (1)
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A body is made to change its velocity from 20m/s to 36m/s in 0.1s. What is the acceleration produced?
(Solved)
A body is made to change its velocity from 20m/s to 36m/s in 0.1s. What is the acceleration produced?
Date posted:
April 23, 2019
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Answers (1)
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Outline the three common types of motion:
(Solved)
Outline the three common types of motion:
Date posted:
April 23, 2019
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Answers (1)
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A machine with a velocity ratio of 30 moves a load of 300N when an effort of 200N is applied. Calculate the efficiency of the...
(Solved)
A machine with a velocity ratio of 30 moves a load of 300N when an effort of 200N is applied. Calculate the efficiency of the machine.
Date posted:
April 22, 2019
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Answers (1)
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Explain why a man using a parachute falls through air slowly while a stone falls through air very fast
(Solved)
Explain why a man using a parachute falls through air slowly while a stone falls through air very fast.
Date posted:
April 22, 2019
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Answers (1)
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A man makes a deeper marks while walking on a soft ground in a high heeled shoes than in a flat shoes. Explain
(Solved)
A man makes a deeper marks while walking on a soft ground in a high heeled shoes than in a flat shoes. Explain
Date posted:
April 22, 2019
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Answers (1)
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Explain how temperature affects Brownian motion
(Solved)
Explain how temperature affects Brownian motion.
Date posted:
April 18, 2019
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Answers (1)
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State the applications of extended light sources
(Solved)
State the applications of extended light sources
Date posted:
April 15, 2019
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Answers (1)
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State the advantage of the Pinhole Camera over the Lens Camera
(Solved)
State the advantage of the Pinhole Camera over the Lens Camera
Date posted:
April 15, 2019
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Answers (1)
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Discuss the Maintenance of the Accumulators
(Solved)
Discuss the Maintenance of the Accumulators
Date posted:
April 15, 2019
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Answers (1)
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Define Electromotive Force (E.m.f) and Potential Difference
(Solved)
Define Electromotive Force (E.m.f) and Potential Difference
Date posted:
April 15, 2019
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Answers (1)
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What is the danger of Electrostatics?
(Solved)
What is the danger of Electrostatics?
Date posted:
April 15, 2019
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Answers (1)
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Explain the applications of Thermal Radiation
(Solved)
Explain the applications of Thermal Radiation
Date posted:
April 15, 2019
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Answers (1)
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Discuss lagging and give an example of its application
(Solved)
Discuss lagging and give an example of its application.
Date posted:
April 15, 2019
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Answers (1)
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Explain the mode of Operation of the Six’s Thermometer
(Solved)
Explain the mode of Operation of the Six’s Thermometer
Date posted:
April 15, 2019
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Answers (1)
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Give the comparison between Mercury and Alcohol as Thermometric Liquids
(Solved)
Give the comparison between Mercury and Alcohol as Thermometric Liquids
Date posted:
April 15, 2019
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Answers (1)
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The height, h of a water manometer is 20 cm when used to measure pressure of a gas.
(Solved)
The height, h of a water manometer is 20 cm when used to measure pressure of a gas.
a) Determine the pressure due to gas, If atmospheric pressure is 103000N/m2.
b) What would be the height if the liquid used is glycerin of density 1.26g/cm3
Date posted:
April 15, 2019
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Answers (1)