Solved: . Francesca dangles her watch from a thin piece of
Chapter 4, Problem 4.73(choose chapter or problem)
Francesca dangles her watch from a thin piece of string while the jetliner she is in accelerates for takeoff, which takes about 16 s. Estimate the takeoff speed of the aircraft if the string makes an angle of \(25^\circ\) with respect to the vertical, Fig. 4–64.
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