Created by StemPy LabA bus runs at for the first minutes of a trip, and at for the next minutes, along a straight highway. What is its average speed for the hour?
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← A lift starts from rest. For the first few seconds, its height above the ground floor is h = 0.5t³, with h in metres and t in seconds. What are its average velocity over the first 2 s and its velocity at t = 2 s?A bead slides along a straight wire with x = t² - 6t + 5 (SI units). What distance does it travel along the wire between t = 0 and t = 5 s? →
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