A mass is dropped from rest, and falls through a distance of 2.0 m in a vacuum.

Q#11 ( Past Exam Paper – June 2012 Paper 12 Q5 ) A mass is dropped from rest, a… Read more A mass is dropped from rest, and falls through a distance of 2.0 m in a vacuum.

(a) (i) Define power. (ii) State what is meant by gravitational potential energy. (b) An aircraft of mass 1200 kg

Q#27 ( Past Exam Paper – November 2018 Paper 21 Q3 ) (a) (i)  Define  power . [… Read more (a) (i) Define power. (ii) State what is meant by gravitational potential energy. (b) An aircraft of mass 1200 kg

(a) Define the moment of a force. (b) A thin disc of radius r is supported at its centre O by a pin

Q#12 ( Past Exam Paper – November 2017 Paper 22 Q2 ) (a)  Define the  moment  o… Read more (a) Define the moment of a force. (b) A thin disc of radius r is supported at its centre O by a pin

(a) The I-V characteristic of a semiconductor diode is shown in Fig. 5.1. (i) Use Fig. 5.1 to explain the variation of the resistance

Q#14 ( Past Exam Paper – November 2015 Paper 23 Q5 ) (a)  The  I - V  character… Read more (a) The I-V characteristic of a semiconductor diode is shown in Fig. 5.1. (i) Use Fig. 5.1 to explain the variation of the resistance