Lemma
EasyCurves in space
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §12.2 Plane Motion: Projectiles and Cycloids, #11 · Multivariable Calculus · Curves in space

Estimate the initial speed of a 100-meter golf shot hit at

Estimate the initial speed of a 100-meter golf shot hit at . Is the true larger or smaller, when air friction is included?

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §12.2 Plane Motion: Projectiles and Cycloids, #11

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