The weight of the door and the force are perpendicular to one another
johnmulu answered the question on February 9, 2017 at 10:05
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When a drop of organic acid of known volume is dropped on the surface of water in a large trough, it spreads out to form a large circular patch. State one assumption made when the size of the molecule of the acid is estimated by determining the area of the patch
Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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In an experiment to estimate the diameter of an oil molecule, an oil drop of diameter 0.05 cm spreads over a circular patch whose diameter is 20 cm.
Determine i) the volume of the oil drop
ii) The area of the patch covered by the oil
iii) The diameter of the oil molecule
Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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Date posted: February 7, 2017. Answers (1)
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i) Describe a simple experiment to distinguish between the magnet and the iron bar
(ii) State...(Solved)
Given a bar magnet, an iron bar and a string
i) Describe a simple experiment to distinguish between the magnet and the iron bar
(ii) State with reasons the observations that would be made in the experiment.
Date posted: February 7, 2017. Answers (1)
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