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Question 3 (7 points) A plane's velocity changes from 700 km/h [E40N] to 850 km/h [N20 W]

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Question 3 (7 points) A plane's velocity changes from 700 km/h [E40N] to 850 km/h [N20 W]. a) Find the change in velocity, A V , in km/h. You must use the trigonometric method (sine law & cosine law). Include a fully labelled vector diagram showing the vector subtraction. [5 marks] b) If the change took 40 seconds, calculate the average acceleration during that time in m/s2. [2 marks]