A steel ball falls from a platform on a tower to the ground below, as shown in Fig. 3.1. The ball falls from rest through a vertical distance of 192 m.

Q#30 ( Past Exam Paper – November 2015 Paper 23 Q3 ) A steel ball falls from a … Read more A steel ball falls from a platform on a tower to the ground below, as shown in Fig. 3.1. The ball falls from rest through a vertical distance of 192 m.

A person calculates the potential difference across a wire by using the measurements shown.

Q#21 ( Past Exam Paper – March 2018 Paper 12 Q5 ) A person calculates the pot… Read more A person calculates the potential difference across a wire by using the measurements shown.

(a) For the deformation of a wire under tension, define (i) stress, (ii) strain. (b) A wire is fixed at one end so that it hangs vertically.

Q#5 ( Past Exam Paper – March 2018 Paper 22 Q3 ) (a)  For the deformation of a … Read more (a) For the deformation of a wire under tension, define (i) stress, (ii) strain. (b) A wire is fixed at one end so that it hangs vertically.

(a) State what is meant by kinetic energy. (b) A cannon fires a shell vertically upwards. The shell leaves the cannon with a speed of 80

Q#33  ( Past Exam Paper – November 2018 Paper 23 Q2 ) (a)  State what is meant … Read more (a) State what is meant by kinetic energy. (b) A cannon fires a shell vertically upwards. The shell leaves the cannon with a speed of 80