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Question
(a) Take the slope of the curve in Figure 2.64 to find the jogger's velocity at t = 2.5 s . (b) Repeat at 7.5 s. These values must be consistent with the graph in Figure 2.65.
Question Image
at $t = 2.5 \textrm{ s}$ $v = 3.4 \textrm{ m/s}$
at $t = 7.5 \textrm{ s}$ $v = -3.1 \textrm{ m/s}$
Solution Video