Question

9. (a) A missile is launched from rest and takes 5s to reach 100m/s and at the end of the first 10 seconds its speed is 250m/s. (i) What is the average acceleration of the missile during: A. the first 5 seconds? B. between 5 seconds and the first 10 seconds? (ii) Assuming the acceleration is constant during each time interval (but not necessarily the same in both intervals), what distance does the missile travel in A. the first 5 seconds? B. between 5 seconds and the first 10 seconds?

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