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mti answered the question on June 30, 2018 at 08:08
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Discuss the Rutherford experiment, its aim, results and conclusion
(Solved)
Discuss the Rutherford experiment, its aim, results and conclusion.
Date posted:
June 26, 2018
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Answers (1)
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A body of mass 20kg hangs 4m and swings through a vertical height of 0.9m. Determine
a)the potential energy as its position
b)the speed of the body...
(Solved)
A body of mass 20kg hangs 4m and swings through a vertical height of 0.9m. Determine
a)the potential energy as its position
b)the speed of the body when passing through the lowest point
Date posted:
June 21, 2018
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Answers (1)
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A battery is rated 120 AH. How long will it work if it steadily supplies a current of 4A
(Solved)
A battery is rated 120 AH. How long will it work if it steadily supplies a current of 4A.
Date posted:
June 20, 2018
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Answers (1)
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Why is soft iron core used in transformer?
(Solved)
Why is soft iron core used in transformer?
Date posted:
June 20, 2018
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Answers (1)
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Describe how an image is formed on a CRO screen
(Solved)
Describe how an image is formed on a CRO screen.
Date posted:
June 19, 2018
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Answers (1)
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Explain the meaning of Electric potential
(Solved)
Explain the meaning of Electric potential
Date posted:
June 18, 2018
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Answers (1)
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Explain the meaning of an Electric Field, E(r).
(Solved)
Explain the meaning of an Electric Field, E(r).
Date posted:
June 18, 2018
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Answers (1)
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In a hydraulic piston, a force of 200N is applied to a master piston of area 25cm squared. If the press is designed to produce...
(Solved)
In a hydraulic piston, a force of 200N is applied to a master piston of area 25cm squared. If the press is designed to produce a force of 5000N determine the area of the slave piston.
Date posted:
June 16, 2018
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Answers (1)
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(i)When is a Charged conductor said to be in electrostatic equilibrium? (ii)What are the guidelines followed charge and electric field at electrostatic equilibrium?
(Solved)
i)When is a Charged conductor said to be in electrostatic equilibrium?
ii)What are the guidelines followed charge and electric field at electrostatic equilibrium?
Date posted:
June 14, 2018
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Answers (1)
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What are the Differences between Gravitational and Coulomb forces
(Solved)
What are the Differences between Gravitational and Coulomb forces
Date posted:
June 14, 2018
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Answers (1)
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What are the Similarities between of the gravitational and Coulomb forces
(Solved)
What are the Similarities between of the gravitational and Coulomb forces
Date posted:
June 14, 2018
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Answers (1)
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Discuss the disadvantages of friction
(Solved)
Discuss the disadvantages of friction.
Date posted:
June 8, 2018
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Answers (1)
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A car of mass 1200kg moving at 90km/h is brought to rest over a distance of 20m. Calculate the breaking force.
(Solved)
A car of mass 1200kg moving at 90km/h is brought to rest over a distance of 20m. Calculate the breaking force.
Date posted:
June 5, 2018
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Answers (1)
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For a body moving with a constant acceleration, a,show that v=u+at where v and u are the final and initial velocities respectively while t is...
(Solved)
For a body moving with a constant acceleration, a,show that v=u+at where v and u are the final and initial velocities respectively while t is the time taken
Date posted:
June 5, 2018
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Answers (1)
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Distinguish between density and relative density
(Solved)
Distinguish between density and relative density.
Date posted:
May 25, 2018
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Answers (1)
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State two advantages of a thermocouple over a mercury in glass thermometer
(Solved)
State two advantages of a thermocouple over a mercury in glass thermometer
Date posted:
May 23, 2018
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Answers (1)
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Give a reason why water wets glass while mercury does not
(Solved)
Give a reason why water wets glass while mercury does not
Date posted:
May 19, 2018
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Answers (1)
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Describe how to fit an iron tyre in a wheel of a train
(Solved)
Describe how to fit an iron tyre in a wheel of a train.
Date posted:
May 10, 2018
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Answers (1)
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Describe how you can measure the diameter of a tennis ball
(Solved)
Describe how you can measure the diameter of a tennis ball.
Date posted:
May 10, 2018
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Answers (1)
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Briefly describe an experiment to show how the image is formed in a pinhole camera
(Solved)
Briefly describe an experiment to show how the image is formed in a pinhole camera
Date posted:
May 7, 2018
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Answers (1)