у (f) 30-ot= 3 years 21-0t = 2 years 12-•t=1 year 1st 2nd 3rd FIGURE P1.76 year year year

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The images of trees  come from a catalog advertising fast-growing trees. If we mark the position of the top of the tree in the successive years, as shown in the graph in the figure, we obtain a motion diagram much like ones we have seen for other kinds of motion. The motion isn’t steady, of course. In some months the tree grows rapidly; in other months, quite slowly. We can see, though, that the average speed of growth is fairly constant for the first few years.

What is the tree’s speed of growth, in feet per year, from t = 1 yr to t = 3 yr?
A. 12 ft/yr                  B. 9 ft/yr
C. 6 ft/yr                    D. 3 ft/yr

у (f)
30-ot= 3 years
21-0t = 2 years
12-•t=1 year
1st 2nd 3rd
FIGURE P1.76 year year year
Transcribed Image Text:у (f) 30-ot= 3 years 21-0t = 2 years 12-•t=1 year 1st 2nd 3rd FIGURE P1.76 year year year
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