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Ann took a non-stop flight from Boston to Chicago to visit her grandmother. The 1208 km trip took three hours and 45 minutes. Because of the bad weather, the return trip took four hours and 45 minutes

Ann took a non-stop flight from Boston to Chicago to visit her grandmother. The 1208 km trip took three hours and 45 minutes. Because of the bad weather, the return trip took four hours and 45 minutes. What was her average speed for the round trip in km/h? (3 Marks) ii) A car initially at rest starts moving with an acceleration 0.2 m/s2, covers a distance of 35 m. It then moves at a constant speed for 25 minutes and then decelerates uniformly to a stop in 40 s. Calculate the total distance covered by the car and the average velocity of the car for the entire trip. (7 Marks) A 0.2 m/s2 B C Rest 35m 25 min

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May 29 2021 View more View Less

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