PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A train starts from station A, travels 30km east in 20min, halts for 5min, and then travels 50km west in 35min. Taking east as the positive direction, determine:
(a) the total distance travelled,
(b) the total displacement,
(c) the average speed for the entire journey,
(d) the average velocity, stating its direction.