у (mm) তनिट 404 40 t (ms) 60 20 -40- FIGURE P14.18
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Hummingbirds may seem fragile, but their wings are capable of sustaining very large forces and accelerations. as showndata for the vertical position of the wing tip of a rufous hummingbird. What is the maximum acceleration of the wing tips, in m/s2 and in units of g?
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