1. The cell is not easily portable
2. The hydrogen gas produced is highly flammable.
chrispohmomanyi answered the question on October 9, 2017 at 11:24
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State two types of cells.
(Solved)
State two types of cells.
Date posted:
October 9, 2017
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Answers (1)
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What is a capacitor?
(Solved)
What is a capacitor?
Date posted:
October 9, 2017
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Answers (1)
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Define Surface charge density.
(Solved)
Define Surface charge density.
Date posted:
October 9, 2017
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Answers (1)
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State two properties of electric field lines
(Solved)
State two properties of electric field lines
Date posted:
October 9, 2017
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Answers (1)
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Describe three ways of discharging an electroscope
(Solved)
Describe three ways of discharging an electroscope
Date posted:
October 9, 2017
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Answers (1)
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State two methods of charging an electroscope.
(Solved)
State two methods of charging an electroscope.
Date posted:
October 9, 2017
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Answers (1)
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State the functions of the following parts of the gols-leaf electroscope.
1. Insulator
2. Metal plate
(Solved)
State the functions of the following parts of the gols-leaf electroscope.
1. Insulator
2. Metal plate
Date posted:
October 9, 2017
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Answers (1)
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State three methods of demagnetization
(Solved)
State three methods of demagnetization
Date posted:
October 9, 2017
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Answers (1)
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State four methods of magnetization.
(Solved)
State four methods of magnetization.
Date posted:
October 9, 2017
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Answers (1)
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Define dispersion as used in refraction.
(Solved)
Define dispersion as used in refraction.
Date posted:
October 9, 2017
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Answers (1)
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Define the absolute refractive index of a medium.
(Solved)
Define the absolute refractive index of a medium.
Date posted:
October 9, 2017
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Answers (1)
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State the main disadvantage of convex mirrors.
(Solved)
State the main disadvantage of convex mirrors.
Date posted:
October 9, 2017
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Answers (1)
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State two applications of lens.
(Solved)
State two applications of lens.
Date posted:
October 8, 2017
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Answers (1)
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State any three disadvantages of a liquid in glass thermometers
(Solved)
State any three disadvantages of a liquid in glass thermometers
Date posted:
October 8, 2017
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Answers (1)
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State any three types of thermometers
(Solved)
State any three types of thermometers
Date posted:
October 8, 2017
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Answers (1)
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A hockey player hits a ball mass 0.8 kg initially at rest using a force of 840 N. if the hockey stick was in contact...
(Solved)
A hockey player hits a ball mass 0.8 kg initially at rest using a force of 840 N. if the hockey stick was in contact with the ball for 0.2 seconds, what was the speed the ball took off with?
Date posted:
October 6, 2017
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Answers (1)
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A boy jumped from a platform and landed on a mattress. Explain how the mattress helps in reducing the force of impact.
(Solved)
A boy jumped from a platform and landed on a mattress. Explain how the mattress helps in reducing the force of impact.
Date posted:
October 6, 2017
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Answers (1)
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Water has a refractive index of 1.35. Determine the speed of light in water given that the speed light in air is 3.0 x 10^8...
(Solved)
Water has a refractive index of 1.35. Determine the speed of light in water given that the speed light in air is 3.0 x 10^8 m/s
Date posted:
October 6, 2017
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Answers (1)
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A lawn tennis ball of mass 300 g is thrown vertically upwards with a vertically of 10 m/s. The air cause a resistance of 10...
(Solved)
A lawn tennis ball of mass 300 g is thrown vertically upwards with a vertically of 10 m/s. The air cause a resistance of 10 m/s. The air caused a resistance of 0.5 N.
Determine
a. The net force on the ball as it moves up. (Take g=10m/s)
b. The acceleration of the ball
c. The maximum height reached by the ball.
Date posted:
October 6, 2017
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Answers (1)
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A simple pendulum was used by a student to determine the acceleration due to gravity, g, she obtained the following values: L = 80.0 cm,...
(Solved)
A simple pendulum was used by a student to determine the acceleration due to gravity, g, she obtained the following values: L = 80.0 cm, the period T was 1.9s. given that T=2π√(l/g) determine the value of g correct to two significant figures.
Date posted:
October 6, 2017
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Answers (1)