Capacitance increases
sharon kalunda answered the question on September 30, 2019 at 08:04
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A house has three rooms each with two 240V, 60W bulbs. If the bulbs are switched on from 7.00p.m to 10.00pm daily.
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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On the same diagram, complete the figure to show incident waves at region A and after crossing the boundary to C.
Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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i) State the principle in the hydrometer.
ii) Explain why the hydrometer has a weighted bulb and narrow stem.
Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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A trailer of mass 30 tonnes travelling at a velocity of 72km/h runs onto a stationary bus of mass 10 tonnes.The impact takes 0.5 seconds before the two vehicles move off together at a constant velocity for 15 seconds. Determine:
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ii) The distance moved after the impact.
iii) The impulsive force on the trailer on impact.
Date posted: September 30, 2019. Answers (1)
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The figure below shows a trolley moving on a circular rail with a vertical plane, given that the mass of the trolley is 250g and the radius of the rail is 1.6m.
i) Determine the minimum velocity at which trolley passes point X.
ii) Find the angular velocity at point Z.
iii) The force exerted on the rail at this point.
Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)
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Date posted: September 30, 2019. Answers (1)