main step only (briefly) Short explanation needed 2 The distance-time graph in Figure 19.14 shows the relationship between distance travelled and time for a person who leaves home at 9.00 a.m., walks to a bus stop and catches a bus into town. Distance (km) [ii] 432 9.00 A 9.15 B 9.30 Time 9.45 Figure 19.14 lil Describe what is happening during the time from A to B. The section BC is much steeper than OA; what does this tell you about the motion? [iii] Draw the speed-time graph for the person. (iv) What simplifications have been made in drawing these graphs? Answer:- 2 The person is waiting at the bus stop. (ii) It is faster. speed a (kmh) 24 16 8 9.15 9.30 9.45 time (iv) constant speed, infinite acceleration 0

main step only (briefly) Short explanation needed 2 The distance-time graph in Figure 19.14 shows the relationship between distance travelled and time for a person who leaves home at 9.00 a.m., walks to a bus stop and catches a bus into town. Distance (km) [ii] 432 9.00 A 9.15 B 9.30 Time 9.45 Figure 19.14 lil Describe what is happening during the time from A to B. The section BC is much steeper than OA; what does this tell you about the motion? [iii] Draw the speed-time graph for the person. (iv) What simplifications have been made in drawing these graphs? Answer:- 2 The person is waiting at the bus stop. (ii) It is faster. speed a (kmh) 24 16 8 9.15 9.30 9.45 time (iv) constant speed, infinite acceleration 0

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 2P: Light travels at a speed of about 3 103 m/s. (a) How many miles down a pulse of light travel in a...

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