5 A Stone Is Thrown From The Top Of A Bridge Into A Lake Below Such That Its Height H In Metres Can Be Modelled By T 1 (18.69 KiB) Viewed 23 times
5 A Stone Is Thrown From The Top Of A Bridge Into A Lake Below Such That Its Height H In Metres Can Be Modelled By T 2 (25.9 KiB) Viewed 23 times
5. A stone is thrown from the top of a bridge into a lake below such that its height, h, in metres, can be modelled by the function h(t) = 60 - 80 - 4.97, where t is measured in seconds. a) Determine the average rate of change of the height of the stone in the first 3 s after it was dropped. Round your answer to one decimal place. (3 points) Please turn over Page 4 of 5
b) Estimate the instantaneous rate of change of the height of the stone at t = 3 s by narrowing down preceding or following interval close to 3 s. (4 points) Interval Ay Ax
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