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\(^2\).
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\(^{-2}\)]
(a) Explain what is meant by cations
(b) Draw and label an electrolytic cell
(a) State Faraday’s second law of electrolysis.
(b) An electric charge of 9.6 x 10\(^4\) C liberates 1 mole of substance containing 6.0 x 10\(^{23}\) atoms. Determine the value of the electronic charge