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50 40 30 20 10 Time Travel Graphs(1) Catford Bedford Alford (a) Time of arrival at Bedford. Catford 10:30 40 (b) Distance from Alford to Catford. 45 km 30 (c) How long at Catford? Distance (km) 30 mins 20 Bedford (d) Average speed: Alford to Catford. S = d/t = 45/1 = 45 km/hr 10 (e) Average speed:return journey. S = d/t = 45/½ = 90 km/hr Alford 10.00 11.00 12.00 Time

Travel Graphs (2) Time Catby Bigby Airby 20 16 Distance (Miles) 12 8 4 (a) How long at Bigby? 36 mins Catby 20 (b) How far is it from Bigby to Catby? 16 12 miles (c) Average speed from Bigby to Catby? Distance (Miles) 12 S = d/t = 12/0.4 = 30 mph Bigby 8 (d) Average speed on return journey? 4 S = d/t = 20/0.8 = 25 mph Airby 0800 0900 1000 1100 (e) Average speed for whole journey? Time S = d/t = 40/3 = 13 and 1/3 mph

Travel Graphs (3) Burton Cadby Watton Time 1200 1000 1100 20 40 60 80 100 Distance (km) Time Travel Graphs (3) Cadby Burton 0900 Watton How can you tell from the graph that the journey between Cady and Burton was the slower of the 3 journeys? Line is less steep. The graph shows part of a return car journey from Watton to Burton. The car arrived in Burton at 1030 and stopped for 18 minutes before returning to Watton, at an average speed of 100 km/hr. Complete the travel graph for this journey.

Travel Graphs (3) Burton Cadby Watton Time 1200 1000 1100 20 40 60 80 100 Distance (km) Time Travel Graphs (3) Cadby Burton 0900 Watton The graph shows part of a return car journey from Watton to Burton. The car arrived in Burton at 1030 and stopped for 18 minutes before returning to Watton, at an average speed of 100 km/hr. Complete the travel graph for this journey. How can you tell from the graph that the journey between Cady and Burton was the slower of the 3 journeys?