2. Travel Graphs Speed, distance, time

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

4. (a) How long at Bigby? 36 mins or 0.6 hr (b) How far is it from Bigby to Canby? 12 miles (c) Average speed from Bigby to Canby? S = d/t = 12/0.4 = 30 mph (d) Average speed on return journey? S = d/t = 20/0.8 = 25 mph (e) Average speed for whole journey? S = d/t = 40/3 = 13 1 / 3 mph 1100080009001000 4 8 12 16 20 Distance (Miles) Time Airby Bigby Canby Travel Graphs (2)

5. 120010001100 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? Line is less steep.

6. ( a) Time of arrival at Bedford. (b) Distance from Altown to Calbridge. (c) How long at Calbridge? (d) Average speed: Altown to Calbridge. (e) Average speed:return journey. 20 10 30 40 50 10.00 11.00 12.00 Time Distance (km) Altown Bedford Calbridge Travel Graphs(1)

7. (a) How long at Bigby? (b) How far is it from Bigby to Canby? (c) Average speed from Bigby to Canby? (d) Average speed on return journey? (e) Average speed for whole journey? 1100080009001000 4 8 12 16 20 Distance (Miles) Time Airby Bigby Canby Travel Graphs (2)