Candidates' Strength

Majority of the candidates were able to:

• calculate the maximum height attained by the launched projectile;
• draw the velocity – time graph;
• classify forces into field force and contact force;
• state differences between a sound wave and a radio wave;
• state two conditions necessary for the production of stationary waves;
• quote the required formula to solve most numerical problems;
• determine the values of p, q, r, and s in question 12(b)