(a) Explain what is meant by cations(b) Draw and label an electrolytic cell
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2009
Explain why mercury does not wet glass while water does.
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2009
A particle is projected horizontally at 15ms\(^{-1}\) from a height of 20m.
Calculate the horizontal distance covered by the particle just before hitting the ground.[g = 10 ms\(^{-2}\)]
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2009
A particle is dropped from a vertical height h and falls freely for a time t. With the aid of a sketch, explain how h varies with (a) t;
(b) t\(^2\).