Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §10.1 The Geometric Series, #43 · Calculus · Series
Two tennis players move to the net as they volley the ball
Two tennis players move to the net as they volley the ball.
Starting together they each go forward 39 feet at 13 feet per
second. The ball travels back and forth at 26 feet per second. How
far does it travel before the collision at the net? (Look for an easy
way and also an infinite series.)
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §10.1 The Geometric Series, #43
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