2A. Imani starts her bicycle from rest and accelerates uniformly to a speed of 40 km/h in 6 minutes. She maintains this speed for another 5 minutes, then applies the brakes and decelerates uniformly to rest in 3 minutes. (1) Select a velocity-time graph to show the different segments of Imani's journey. (ii) Calculate the acceleration in km/h² during the first 6 minutes of the journey. (iii) Calculate the deceleration in km/h² for the last 3 minutes of the journey. (iv) Calculate the total distance covered i km for the entire journey. Calculate the average speed for the entire journey in km/h to the nearest whole number. (1) ( 40 6 12 15 mins Enter your answer 40 11 14 mins 40 Tab 15 18 mins
2A. Imani starts her bicycle from rest and accelerates uniformly to a speed of 40 km/h in 6 minutes. She maintains this speed for another 5 minutes, then applies the brakes and decelerates uniformly to rest in 3 minutes. (1) Select a velocity-time graph to show the different segments of Imani's journey. (ii) Calculate the acceleration in km/h² during the first 6 minutes of the journey. (iii) Calculate the deceleration in km/h² for the last 3 minutes of the journey. (iv) Calculate the total distance covered i km for the entire journey. Calculate the average speed for the entire journey in km/h to the nearest whole number. (1) ( 40 6 12 15 mins Enter your answer 40 11 14 mins 40 Tab 15 18 mins
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Solve iii part only in 10 min plz plz i need it plz
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