A car is moving on a straight road with uniform acceleration. The following table gives the speed of the car at various instants of time. Speed (m/s): 19. 5, 20. 10, 21. 15 ,22. 20, 23. 25 ,24. 30 Time (s): 25. 0, 26. 10 ,27. 20, 28. 30 ,29. 40 ,30. 50 Draw the speed-time graph and determine from it i) acceleration of the car, and (ii) distance traveled by the car in 50 s.
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your answer 1. is 80km ..............
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(i) Acceleration of the car= slope of line AB = 24-4/10-0 = 20/10 = 2m/s2 (ii) Distance traveled by the car in 10s = are of trapezium OABC
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